The

Dewey Decimal Classification The Dewey Decimal Classification (DDC) (pronounced ) colloquially known as the Dewey Decimal System, is a proprietary library classification system which allows new books to be added to a library in their appropriate location based on subject. ...

(DDC) is structured around ten main classes covering the entire world of

knowledge Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...

; each main class is further structured into ten

hierarchical A hierarchy (from Greek: , from , 'president of sacred rites') is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or "at the same level as" one another. Hierarchy is an importan ...

divisions, each having ten divisions of increasing specificity. As a system of

library classification A library classification is a system used within a library to organize materials, including books, sound and video recordings, electronic materials, etc., both on shelves and in catalogs and indexes. Each item is typically assigned a call number ...

the DDC is "arranged by discipline, not subject", so a topic like

clothing Clothing (also known as clothes, garments, dress, apparel, or attire) is any item worn on a human human body, body. Typically, clothing is made of fabrics or textiles, but over time it has included garments made from animal skin and other thin s ...

is classed based on its disciplinary treatment (psychological influence of clothing at 155.95, customs associated with clothing at 391, and fashion design of clothing at 746.92) within the conceptual framework. The list below presents the ten main classes, hundred divisions, and thousand sections.

Class 000 – Computer science, information, and general works

*000 Computer science, knowledge, and systems **000

Computer science Computer science is the study of computation, information, and automation. Computer science spans Theoretical computer science, theoretical disciplines (such as algorithms, theory of computation, and information theory) to Applied science, ...

, information and general works **001

Knowledge Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...

**002 The

book A book is a structured presentation of recorded information, primarily verbal and graphical, through a medium. Originally physical, electronic books and audiobooks are now existent. Physical books are objects that contain printed material, ...

(writing, libraries, and book-related topics) **003

System A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its open system (systems theory), environment, is described by its boundaries, str ...

s **004

Data processing Data processing is the collection and manipulation of digital data to produce meaningful information. Data processing is a form of ''information processing'', which is the modification (processing) of information in any manner detectable by an o ...

and

computer science Computer science is the study of computation, information, and automation. Computer science spans Theoretical computer science, theoretical disciplines (such as algorithms, theory of computation, and information theory) to Applied science, ...

**005

Computer programming Computer programming or coding is the composition of sequences of instructions, called computer program, programs, that computers can follow to perform tasks. It involves designing and implementing algorithms, step-by-step specifications of proc ...

, programs, and

data Data ( , ) are a collection of discrete or continuous values that convey information, describing the quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted for ...

**006 Special computer methods (e.g. AI, multimedia, VR) **007–009 nassigned*010 Bibliographies **010 Bibliography **011 Bibliographies **012 Bibliographies of individuals **013 nassigned**014 Bibliographies of

anonymous Anonymous may refer to: * Anonymity, the state of an individual's identity, or personally identifiable information, being publicly unknown ** Anonymous work, a work of art or literature that has an unnamed or unknown creator or author * Anonym ...

and

pseudonym A pseudonym (; ) or alias () is a fictitious name that a person assumes for a particular purpose, which differs from their original or true meaning ( orthonym). This also differs from a new name that entirely or legally replaces an individual's o ...

ous works **015 Bibliographies of works from specific places **016 Bibliographies of works on specific subjects **017 General subject catalogs **018 Catalogs arranged by author, date, etc. oved to 017**019

Dictionary A dictionary is a listing of lexemes from the lexicon of one or more specific languages, often arranged Alphabetical order, alphabetically (or by Semitic root, consonantal root for Semitic languages or radical-and-stroke sorting, radical an ...

catalogs oved to 017*020 Library and information sciences **020 Library and information sciences **021 Library relationships (with

archive An archive is an accumulation of historical records or materials, in any medium, or the physical facility in which they are located. Archives contain primary source documents that have accumulated over the course of an individual or organ ...

s, information centers, etc.) **022 Administration of physical plant **023 Personnel management **024 nassigned**025 Library operations **026 Libraries for specific subjects **027 General libraries **028

Reading Reading is the process of taking in the sense or meaning of symbols, often specifically those of a written language, by means of Visual perception, sight or Somatosensory system, touch. For educators and researchers, reading is a multifacete ...

and use of other information media **029 nassigned*030 Encyclopedias and books of facts **030 General encyclopedic works **031 Encyclopedias in

American English American English, sometimes called United States English or U.S. English, is the set of variety (linguistics), varieties of the English language native to the United States. English is the Languages of the United States, most widely spoken lang ...

**032 Encyclopedias in English **033 Encyclopedias in other

Germanic languages The Germanic languages are a branch of the Indo-European languages, Indo-European language family spoken natively by a population of about 515 million people mainly in Europe, North America, Oceania, and Southern Africa. The most widely spoke ...

**034 Encyclopedias in French,

Occitan Occitan may refer to: * Something of, from, or related to the Occitania territory in parts of France, Italy, Monaco and Spain. * Something of, from, or related to the Occitania administrative region of France. * Occitan language, spoken in parts o ...

, and Catalan **035 Encyclopedias in

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...

, Romanian, and related languages **036 Encyclopedias in Spanish and Portuguese **037 Encyclopedias in

Slavic languages The Slavic languages, also known as the Slavonic languages, are Indo-European languages spoken primarily by the Slavs, Slavic peoples and their descendants. They are thought to descend from a proto-language called Proto-Slavic language, Proto- ...

**038 Encyclopedias in

Scandinavian languages The North Germanic languages make up one of the three branches of the Germanic languages—a sub-family of the Indo-European languages—along with the West Germanic languages and the extinct East Germanic languages. The language group is al ...

**039 Encyclopedias in other languages *040 Unassigned ''(formerly

Biographies A biography, or simply bio, is a detailed description of a person's life. It involves more than just basic facts like education, work, relationships, and death; it portrays a person's experience of these life events. Unlike a profile or curri ...

)'' *050 Magazines, journals and serials **050 General serial publications **051 Serials in American English **052 Serials in English **053 Serials in other Germanic languages **054 Serials in French, Occitan, and Catalan **055 Serials in Italian, Romanian, and related languages **056 Serials in Spanish and Portuguese **057 Serials in Slavic languages **058 Serials in Scandinavian languages **059 Serials in other languages *060 Associations, organizations and museums **060 General organizations and museum science **061 Organizations in

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

**062 Organizations in

British Isles The British Isles are an archipelago in the Atlantic Ocean, North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner Hebrides, Inner and Outer Hebr ...

; in

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

**063 Organizations in

central Europe Central Europe is a geographical region of Europe between Eastern Europe, Eastern, Southern Europe, Southern, Western Europe, Western and Northern Europe, Northern Europe. Central Europe is known for its cultural diversity; however, countries in ...

; in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

**064 Organizations in

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

and

Monaco Monaco, officially the Principality of Monaco, is a Sovereign state, sovereign city-state and European microstates, microstate on the French Riviera a few kilometres west of the Regions of Italy, Italian region of Liguria, in Western Europe, ...

**065 Organizations in

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

and adjacent islands **066 Organizations in

Iberian Peninsula The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...

and adjacent islands **067 Organizations in

eastern Europe Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural and socio-economic connotations. Its eastern boundary is marked by the Ural Mountain ...

; in

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

**068 Organizations in other geographic areas **069 Museum science *070

News media The news media or news industry are forms of mass media that focus on delivering news to the general public. These include News agency, news agencies, newspapers, news magazines, News broadcasting, news channels etc. History Some of the fir ...

journalism Journalism is the production and distribution of reports on the interaction of events, facts, ideas, and people that are the "news of the day" and that informs society to at least some degree of accuracy. The word, a noun, applies to the journ ...

, and

publishing Publishing is the activities of making information, literature, music, software, and other content, physical or digital, available to the public for sale or free of charge. Traditionally, the term publishing refers to the creation and distribu ...

**070 News media, journalism, and publishing **071 Newspapers in North America **072 Newspapers in British Isles; in England **073 Newspapers in central Europe; in Germany **074 Newspapers in France and Monaco **075 Newspapers in Italy and adjacent islands **076 Newspapers in Iberian peninsula and adjacent islands **077 Newspapers in eastern Europe; in Russia **078 Newspapers in Scandinavia **079 Newspapers in other geographic areas *080 Quotations **080 General collections **081 Collections in American English **082 Collections in English **083 Collections in other Germanic languages **084 Collections in French, Occitan, Catalan **085 Collections in Italian, Romanian, and related languages **086 Collections in Spanish and Portuguese **087 Collections in Slavic languages **088 Collections in Scandinavian languages **089 Collections in other languages *090

Manuscript A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand or typewritten, as opposed to mechanically printed or reproduced in some indirect or automated way. More recently, the term has ...

s and rare books **090 Manuscripts and rare books **091 Manuscripts **092

Block book Block books or blockbooks, also called xylographica, are short books of up to 50 leaves, block printed in Europe in the second half of the 15th century as woodcuts with blocks carved to include both text (usually) and illustrations. The conten ...

s **093

Incunabula An incunable or incunabulum (: incunables or incunabula, respectively) is a book, pamphlet, or broadside (printing), broadside that was printed in the earliest stages of printing in Europe, up to the year 1500. The specific date is essentiall ...

**094 Printed books **095 Books notable for bindings **096 Books notable for illustrations **097 Books notable for ownership or origin **098 Prohibited works, forgeries, and

hoaxes A hoax (plural: hoaxes) is a widely publicised falsehood created to deceive its audience with false and often astonishing information, with the either malicious or humorous intent of causing shock and interest in as many people as possible. S ...

**099 Books notable for format

Class 100 – Philosophy and psychology

*100

Philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...

**100 Philosophy and

psychology Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both consciousness, conscious and Unconscious mind, unconscious phenomena, and mental processes such as thoughts, feel ...

**101 Theory of philosophy **102 Miscellany **103 Dictionaries and encyclopedias **104 ''No longer used — formerly

Essays An essay ( ) is, generally, a piece of writing that gives the author's own argument, but the definition is vague, overlapping with those of a Letter (message), letter, a term paper, paper, an article (publishing), article, a pamphlet, and a s ...

'' **105 Serial publications **106 Organizations and

management Management (or managing) is the administration of organizations, whether businesses, nonprofit organizations, or a Government agency, government bodies through business administration, Nonprofit studies, nonprofit management, or the political s ...

**107

Education Education is the transmission of knowledge and skills and the development of character traits. Formal education occurs within a structured institutional framework, such as public schools, following a curriculum. Non-formal education als ...

research Research is creative and systematic work undertaken to increase the stock of knowledge. It involves the collection, organization, and analysis of evidence to increase understanding of a topic, characterized by a particular attentiveness to ...

, related topics of philosophy **108 Groups of

people The term "the people" refers to the public or Common people, common mass of people of a polity. As such it is a concept of human rights law, international law as well as constitutional law, particularly used for claims of popular sovereignty. I ...

**109

History History is the systematic study of the past, focusing primarily on the Human history, human past. As an academic discipline, it analyses and interprets evidence to construct narratives about what happened and explain why it happened. Some t ...

and collected biography *110

Metaphysics Metaphysics is the branch of philosophy that examines the basic structure of reality. It is traditionally seen as the study of mind-independent features of the world, but some theorists view it as an inquiry into the conceptual framework of ...

**110 Metaphysics **111

Ontology Ontology is the philosophical study of existence, being. It is traditionally understood as the subdiscipline of metaphysics focused on the most general features of reality. As one of the most fundamental concepts, being encompasses all of realit ...

**112 ''No longer used — formerly

Methodology In its most common sense, methodology is the study of research methods. However, the term can also refer to the methods themselves or to the philosophical discussion of associated background assumptions. A method is a structured procedure for bri ...

'' **113

Cosmology Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe, the cosmos. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', with the meaning of "a speaking of the wo ...

(

Philosophy of nature Nature has two inter-related meanings in philosophy and natural philosophy. On the one hand, it means the set of all things which are natural, or subject to the normal working of the laws of nature. On the other hand, it means the essential prop ...

) **114

Space Space is a three-dimensional continuum containing positions and directions. In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless ...

**115

Time Time is the continuous progression of existence that occurs in an apparently irreversible process, irreversible succession from the past, through the present, and into the future. It is a component quantity of various measurements used to sequ ...

**116 Change **117 Structure **118

Force In physics, a force is an influence that can cause an Physical object, object to change its velocity unless counterbalanced by other forces. In mechanics, force makes ideas like 'pushing' or 'pulling' mathematically precise. Because the Magnitu ...

and

energy Energy () is the physical quantity, quantitative physical property, property that is transferred to a physical body, body or to a physical system, recognizable in the performance of Work (thermodynamics), work and in the form of heat and l ...

**119 Number and quantity *120

Epistemology Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge. Also called "the theory of knowledge", it explores different types of knowledge, such as propositional knowledge about facts, practical knowle ...

**120 Epistemology, causation, and humankind **121 Epistemology (Theory of knowledge) **122 Causation **123

Determinism Determinism is the Metaphysics, metaphysical view that all events within the universe (or multiverse) can occur only in one possible way. Deterministic theories throughout the history of philosophy have developed from diverse and sometimes ov ...

and

indeterminism Indeterminism is the idea that events (or certain events, or events of certain types) are not caused, or are not caused deterministically. It is the opposite of determinism and related to chance. It is highly relevant to the philosophical pr ...

**124

Teleology Teleology (from , and )Partridge, Eric. 1977''Origins: A Short Etymological Dictionary of Modern English'' London: Routledge, p. 4187. or finalityDubray, Charles. 2020 912Teleology. In ''The Catholic Encyclopedia'' 14. New York: Robert Appleton ...

**125 ''No longer used — formerly

Infinity Infinity is something which is boundless, endless, or larger than any natural number. It is denoted by \infty, called the infinity symbol. From the time of the Ancient Greek mathematics, ancient Greeks, the Infinity (philosophy), philosophic ...

'' **126 The self **127 The unconscious and the subconscious **128

Humankind Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are great apes characterized by their hairlessness, bipedalism, and high intelligen ...

**129 Origin and destiny of individual

souls The soul is the purported immaterial aspect or essence of a living being. It is typically believed to be immortal and to exist apart from the material world. The three main theories that describe the relationship between the soul and the bod ...

*130

Parapsychology Parapsychology is the study of alleged psychic phenomena (extrasensory perception, telepathy, teleportation, precognition, clairvoyance, psychokinesis (also called telekinesis), and psychometry (paranormal), psychometry) and other paranormal cla ...

and

occultism The occult () is a category of esoteric or supernatural beliefs and practices which generally fall outside the scope of organized religion and science, encompassing phenomena involving a 'hidden' or 'secret' agency, such as magic and mystic ...

**130 Parapsychology and occultism **131 Parapsychological and occult methods for achieving well-being, happiness, success **132 ''No longer used — formerly "Mental derangements"'' **133 Specific topics in parapsychology and occultism **134 ''No longer used — formerly "

Mesmerism Animal magnetism, also known as mesmerism, is a theory invented by German doctor Franz Mesmer in the 18th century. It posits the existence of an invisible natural force (''Lebensmagnetismus'') possessed by all living things, including humans ...

and

Clairvoyance Clairvoyance (; ) is the claimed ability to acquire information that would be considered impossible to get through scientifically proven sensations, thus classified as extrasensory perception, or "sixth sense". Any person who is claimed to h ...

"'' **135

Dream A dream is a succession of images, ideas, emotions, and sensation (psychology), sensations that usually occur involuntarily in the mind during certain stages of sleep. Humans spend about two hours dreaming per night, and each dream lasts around ...

s and mysteries **136 ''No longer used — formerly "Mental characteristics"'' **137 Divinatory

graphology Graphology is the analysis of handwriting in an attempt to determine the writer's personality traits. Its methods and conclusions are not supported by scientific evidence, and as such it is considered to be a pseudoscience. Graphology has been ...

**138

Physiognomy Physiognomy () or face reading is the practice of assessing a person's character or personality from their outer appearance—especially the face. The term can also refer to the general appearance of a person, object, or terrain without referenc ...

**139

Phrenology Phrenology is a pseudoscience that involves the measurement of bumps on the skull to predict mental traits. It is based on the concept that the Human brain, brain is the organ of the mind, and that certain brain areas have localized, specific ...

*140 Philosophical schools of thought **140 Specific philosophical schools and viewpoints **141

Idealism Idealism in philosophy, also known as philosophical realism or metaphysical idealism, is the set of metaphysics, metaphysical perspectives asserting that, most fundamentally, reality is equivalent to mind, Spirit (vital essence), spirit, or ...

and related systems and doctrines **142

Critical philosophy Critical philosophy () is a movement inaugurated by Immanuel Kant (1724–1804). It is dedicated to the self-examination of reason with the aim of exposing its inherent limitations, that is, to defining the possibilities of knowledge as a prere ...

**143 Bergsonism and

intuitionism In the philosophy of mathematics, intuitionism, or neointuitionism (opposed to preintuitionism), is an approach where mathematics is considered to be purely the result of the constructive mental activity of humans rather than the discovery of fu ...

**144

Humanism Humanism is a philosophy, philosophical stance that emphasizes the individual and social potential, and Agency (philosophy), agency of human beings, whom it considers the starting point for serious moral and philosophical inquiry. The me ...

and related systems and doctrines **145

Sensationalism In journalism and mass media, sensationalism is a type of editorial tactic. Events and topics in news stories are selected and worded to excite the greatest number of readers and viewers. This style of news reporting encourages biased or emoti ...

**146 Naturalism and related systems and doctrines **147

Pantheism Pantheism can refer to a number of philosophical and religious beliefs, such as the belief that the universe is God, or panentheism, the belief in a non-corporeal divine intelligence or God out of which the universe arisesAnn Thomson; Bodies ...

and related systems and doctrines **148

Dogmatism Dogma, in its broadest sense, is any belief held definitively and without the possibility of reform. It may be in the form of an official system of principles or doctrines of a religion, such as Judaism, Roman Catholicism, Protestantism, or Islam ...

eclecticism Eclecticism is a conceptual approach that does not hold rigidly to a single paradigm or set of assumptions, but instead draws upon multiple theories, styles, or ideas to gain complementary insights into a subject, or applies different theories i ...

, liberalism, syncretism, and

traditionalism Traditionalism is the adherence to traditional beliefs or practices. It may also refer to: Religion * Traditional religion, a religion or belief associated with a particular ethnic group * Traditionalism (19th-century Catholicism), a 19th-cen ...

**149 Other philosophical systems and doctrines *150

Psychology Psychology is the scientific study of mind and behavior. Its subject matter includes the behavior of humans and nonhumans, both consciousness, conscious and Unconscious mind, unconscious phenomena, and mental processes such as thoughts, feel ...

**150 Psychology **151 ''No longer used — formerly "Intellect"'' **152 Sensory

perception Perception () is the organization, identification, and interpretation of sensory information in order to represent and understand the presented information or environment. All perception involves signals that go through the nervous syste ...

, movement,

emotion Emotions are physical and mental states brought on by neurophysiology, neurophysiological changes, variously associated with thoughts, feelings, behavior, behavioral responses, and a degree of pleasure or suffering, displeasure. There is ...

s, and physiological drives **153 Conscious mental processes and

intelligence Intelligence has been defined in many ways: the capacity for abstraction, logic, understanding, self-awareness, learning, emotional knowledge, reasoning, planning, creativity, critical thinking, and problem-solving. It can be described as t ...

**154

Subconscious In psychology, the subconscious is the part of the mind that is not currently of focal awareness. The term was already popularized in the early 20th century in areas ranging from psychology, religion and spirituality. The concept was heavily popu ...

and altered states and processes **155 Differential and

developmental psychology Developmental psychology is the scientific study of how and why humans grow, change, and adapt across the course of their lives. Originally concerned with infants and children, the field has expanded to include adolescence, adult development ...

**156 Comparative psychology **157 ''No longer used — formerly "

Emotion Emotions are physical and mental states brought on by neurophysiology, neurophysiological changes, variously associated with thoughts, feelings, behavior, behavioral responses, and a degree of pleasure or suffering, displeasure. There is ...

s"'' **158

Applied psychology Applied psychology is the use of psychological methods and findings of scientific psychology to solve practical problems of human and animal behavior and experience. Educational and organizational psychology, business management, law, health, pro ...

**159 ''No longer used — formerly "Will"'' *160 Philosophical

logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...

**160 Philosophical logic **161 Induction **162 Deduction **163–164 ''Not assigned or no longer used'' **165

Fallacies A fallacy is the use of invalid or otherwise faulty reasoning in the construction of an argument that may appear to be well-reasoned if unnoticed. The term was introduced in the Western intellectual tradition by the Aristotelian '' De Sophis ...

and sources of error **166

Syllogism A syllogism (, ''syllogismos'', 'conclusion, inference') is a kind of logical argument that applies deductive reasoning to arrive at a conclusion based on two propositions that are asserted or assumed to be true. In its earliest form (defin ...

s **167

Hypotheses A hypothesis (: hypotheses) is a proposed explanation for a phenomenon. A scientific method, scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educ ...

**168

Argument An argument is a series of sentences, statements, or propositions some of which are called premises and one is the conclusion. The purpose of an argument is to give reasons for one's conclusion via justification, explanation, and/or persu ...

and

persuasion Persuasion or persuasion arts is an umbrella term for influence. Persuasion can influence a person's beliefs, attitudes, intentions, motivations, or behaviours. Persuasion is studied in many disciplines. Rhetoric studies modes of persuasi ...

**169

Analogy Analogy is a comparison or correspondence between two things (or two groups of things) because of a third element that they are considered to share. In logic, it is an inference or an argument from one particular to another particular, as oppose ...

*170

Ethics Ethics is the philosophy, philosophical study of Morality, moral phenomena. Also called moral philosophy, it investigates Normativity, normative questions about what people ought to do or which behavior is morally right. Its main branches inclu ...

**170 Ethics (Moral philosophy) **171 Ethical systems **172

Political ethics Political ethics (also known as political morality or public ethics) is the practice of making moral judgments about political action and political agents. It covers two areas: the ethics of process (or the ethics of office), which covers public off ...

**173 Ethics of family relationships **174 Occupational ethics **175 Ethics of

recreation Recreation is an activity of leisure, leisure being discretionary time. The "need to do something for recreation" is an essential element of human biology and psychology. Recreational activities are often done for happiness, enjoyment, amusement, ...

leisure Leisure (, ) has often been defined as a quality of experience or as free time. Free time is time spent away from business, Employment, work, job hunting, Housekeeping, domestic chores, and education, as well as necessary activities such as ...

, public performances, communication **176 Ethics of sex and

reproduction Reproduction (or procreation or breeding) is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents. There are two forms of reproduction: Asexual reproduction, asexual and Sexual ...

**177 Ethics of

social relations A social relation is the fundamental unit of analysis within the social sciences, and describes any voluntary or involuntary interpersonal relationship between two or more conspecifics within and/or between groups. The group can be a language or k ...

**178 Ethics of consumption **179 Other ethical norms *180

Ancient Ancient history is a time period from the beginning of writing and recorded human history through late antiquity. The span of recorded history is roughly 5,000 years, beginning with the development of Sumerian cuneiform script. Ancient h ...

medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...

, and

Eastern philosophy Eastern philosophy (also called Asian philosophy or Oriental philosophy) includes the various philosophies that originated in East and South Asia, including Chinese philosophy, Japanese philosophy, Korean philosophy, and Vietnamese philoso ...

**180 Ancient, medieval, eastern philosophy **181 Eastern philosophy **182 Pre-Socratic Greek philosophies **183 Sophistic, Socratic, related Greek philosophies **184

Platonic philosophy Platonism is the philosophy of Plato and philosophical systems closely derived from it, though contemporary Platonists do not necessarily accept all doctrines of Plato. Platonism has had a profound effect on Western thought. At the most fundame ...

**185 Aristotelian philosophy **186 Skeptic and Neoplatonic philosophies **187 Epicurean philosophy **188

Stoic philosophy Stoicism is a school of Hellenistic philosophy that flourished in ancient Greece and Rome. The Stoics believed that the universe operated according to reason, ''i.e.'' by a God which is immersed in nature itself. Of all the schools of ancient p ...

**189 Medieval Western philosophy *190 Modern

Western philosophy Western philosophy refers to the Philosophy, philosophical thought, traditions and works of the Western world. Historically, the term refers to the philosophical thinking of Western culture, beginning with the ancient Greek philosophy of the Pre ...

(

19th-century The 19th century began on 1 January 1801 (represented by the Roman numerals MDCCCI), and ended on 31 December 1900 (MCM). It was the 9th century of the 2nd millennium. It was characterized by vast social upheaval. Slavery was abolished in ...

, 20th-century) **190 Modern Western and other noneastern philosophy **191 Philosophy of the United States and

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

**192 Philosophy of the British Isles **193 Philosophy of Germany and

Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

**194 Philosophy of France **195 Philosophy of Italy **196 Philosophy of

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

and Portugal **197 Philosophy of Russia **198 Philosophy of Scandinavia and Finland **199 Philosophy in other geographic areas

Class 200 – Religion

*200

Religion Religion is a range of social system, social-cultural systems, including designated religious behaviour, behaviors and practices, morals, beliefs, worldviews, religious text, texts, sanctified places, prophecies, ethics in religion, ethics, or ...

**200 Religion **201 Religious

mythology Myth is a genre of folklore consisting primarily of narratives that play a fundamental role in a society. For scholars, this is very different from the vernacular usage of the term "myth" that refers to a belief that is not true. Instead, the ...

, general classes of religion, interreligious relations and attitudes, social theology **202

Doctrine Doctrine (from , meaning 'teaching, instruction') is a codification (law), codification of beliefs or a body of teacher, teachings or instructions, taught principles or positions, as the essence of teachings in a given branch of knowledge or in a ...

s **203 Public

worship Worship is an act of religious devotion usually directed towards a deity or God. For many, worship is not about an emotion, it is more about a recognition of a God. An act of worship may be performed individually, in an informal or formal group, ...

and other practices **204 Religious experience, life, practice **205

Religious ethics Ethics involves systematizing, defending, and recommending concepts of right and wrong behavior.''Internet Encyclopedia of Philosophy''"Ethics" A central aspect of ethics is "the good life", the life worth living or life that is simply satisfyin ...

**206

Leaders Leadership, is defined as the ability of an individual, group, or organization to "", influence, or guide other individuals, teams, or organizations. "Leadership" is a contested term. Specialist literature debates various viewpoints on the c ...

and

organization An organization or organisation (English in the Commonwealth of Nations, Commonwealth English; American and British English spelling differences#-ise, -ize (-isation, -ization), see spelling differences) is an legal entity, entity—such as ...

**207 Missions and

religious education In secular usage, religious education is the teaching of a particular religion (although in the United Kingdom the term ''religious instruction'' would refer to the teaching of a particular religion, with ''religious education'' referring to t ...

**208 Sources **209

Sect A sect is a subgroup of a religion, religious, politics, political, or philosophy, philosophical belief system, typically emerging as an offshoot of a larger organization. Originally, the term referred specifically to religious groups that had s ...

s and reform movements *210 Philosophy and theory of religion **210 Philosophy and theory of religion **211 Concepts of God **212

Existence Existence is the state of having being or reality in contrast to nonexistence and nonbeing. Existence is often contrasted with essence: the essence of an entity is its essential features or qualities, which can be understood even if one does ...

, ways of knowing God, attributes of God **213 Creation **214

Theodicy In the philosophy of religion, a theodicy (; meaning 'vindication of God', from Ancient Greek θεός ''theos'', "god" and δίκη ''dikē'', "justice") is an argument that attempts to resolve the problem of evil that arises when all powe ...

**215

Science and religion The relationship between religion and science involves discussions that interconnect the study of the natural world, history, philosophy, and theology. Even though the Ancient history, ancient and Middle Ages, medieval worlds did not have conc ...

**216 ''No longer used—formerly

Evil Evil, as a concept, is usually defined as profoundly immoral behavior, and it is related to acts that cause unnecessary pain and suffering to others. Evil is commonly seen as the opposite, or sometimes absence, of good. It can be an extreme ...

'' **217 ''No longer used—formerly

Prayer File:Prayers-collage.png, 300px, alt=Collage of various religionists praying – Clickable Image, Collage of various religionists praying ''(Clickable image – use cursor to identify.)'' rect 0 0 1000 1000 Shinto festivalgoer praying in front ...

'' **218

**219 ''No longer used—formerly Analogies'' *220 The

Bible The Bible is a collection of religious texts that are central to Christianity and Judaism, and esteemed in other Abrahamic religions such as Islam. The Bible is an anthology (a compilation of texts of a variety of forms) originally writt ...

**220 Bible **221

Old Testament The Old Testament (OT) is the first division of the Christian biblical canon, which is based primarily upon the 24 books of the Hebrew Bible, or Tanakh, a collection of ancient religious Hebrew and occasionally Aramaic writings by the Isr ...

(

Tanakh The Hebrew Bible or Tanakh (;"Tanach"
. ''

Historical books The historical books are a division of Christian Bibles, grouping 12 or books of the Old Testament that follow the Pentateuch, beginning with the Book of Joshua. It includes the Former Prophets from the Nevi'im and two of the ungrouped books of K ...

of Old Testament **223 Poetic books of Old Testament **224 Prophetic books of Old Testament **225

New Testament The New Testament (NT) is the second division of the Christian biblical canon. It discusses the teachings and person of Jesus in Christianity, Jesus, as well as events relating to Christianity in the 1st century, first-century Christianit ...

**226

Gospel Gospel originally meant the Christianity, Christian message ("the gospel"), but in the second century Anno domino, AD the term (, from which the English word originated as a calque) came to be used also for the books in which the message w ...

s and Acts **227

Epistles An epistle (; ) is a writing directed or sent to a person or group of people, usually an elegant and formal didactic letter. The epistle genre of letter-writing was common in ancient Egypt as part of the scribal-school writing curriculum. The ...

**228

Revelation Revelation, or divine revelation, is the disclosing of some form of Religious views on truth, truth or Knowledge#Religion, knowledge through communication with a deity (god) or other supernatural entity or entities in the view of religion and t ...

(

Apocalypse Apocalypse () is a literary genre originating in Judaism in the centuries following the Babylonian exile (597–587 BCE) but persisting in Christianity and Islam. In apocalypse, a supernatural being reveals cosmic mysteries or the future to a ...

) **229

Apocrypha Apocrypha () are biblical or related writings not forming part of the accepted canon of scripture, some of which might be of doubtful authorship or authenticity. In Christianity, the word ''apocryphal'' (ἀπόκρυφος) was first applied to ...

pseudepigrapha A pseudepigraph (also :wikt:anglicized, anglicized as "pseudepigraphon") is a false attribution, falsely attributed work, a text whose claimed author is not the true author, or a work whose real author attributed it to a figure of the past. Th ...

, and inter-testamental works *230

Christianity Christianity is an Abrahamic monotheistic religion, which states that Jesus in Christianity, Jesus is the Son of God (Christianity), Son of God and Resurrection of Jesus, rose from the dead after his Crucifixion of Jesus, crucifixion, whose ...

**230 Christianity **231

God In monotheistic belief systems, God is usually viewed as the supreme being, creator, and principal object of faith. In polytheistic belief systems, a god is "a spirit or being believed to have created, or for controlling some part of the un ...

**232

Jesus Christ Jesus (AD 30 or 33), also referred to as Jesus Christ, Jesus of Nazareth, and many Names and titles of Jesus in the New Testament, other names and titles, was a 1st-century Jewish preacher and religious leader. He is the Jesus in Chris ...

and his family **233 Humankind **234

Salvation Salvation (from Latin: ''salvatio'', from ''salva'', 'safe, saved') is the state of being saved or protected from harm or a dire situation. In religion and theology, ''salvation'' generally refers to the deliverance of the soul from sin and its c ...

and

grace Grace may refer to: Places United States * Grace, Idaho, a city * Grace (CTA station), Chicago Transit Authority's Howard Line, Illinois * Little Goose Creek (Kentucky), location of Grace post office * Grace, Carroll County, Missouri, an uni ...

**235 Spiritual beings **236

Eschatology Eschatology (; ) concerns expectations of the end of Contemporary era, present age, human history, or the world itself. The end of the world or end times is predicted by several world religions (both Abrahamic religions, Abrahamic and non-Abrah ...

**237 ''No longer used—formerly Future state '' **238

Creed A creed, also known as a confession of faith, a symbol, or a statement of faith, is a statement of the shared beliefs of a community (often a religious community) which summarizes its core tenets. Many Christian denominations use three creeds ...

s, confessions of faith, covenants, and

catechism A catechism (; from , "to teach orally") is a summary or exposition of Catholic theology, doctrine and serves as a learning introduction to the Sacraments traditionally used in catechesis, or Christian religious teaching of children and adult co ...

s **239

Apologetics Apologetics (from Greek ) is the religious discipline of defending religious doctrines through systematic argumentation and discourse. Early Christian writers (c. 120–220) who defended their beliefs against critics and recommended their f ...

and polemics *240 Christian practice and observance **240 Christian moral and devotional theology **241

Christian ethics Christian ethics, also known as moral theology, is a multi-faceted ethical system. It is a Virtue ethics, virtue ethic, which focuses on building moral character, and a Deontological ethics, deontological ethic which emphasizes duty according ...

**242

Devotional literature Christian devotional literature (also called devotionals or Christian living literature) is religious writing that Christianity, Christian individuals read for their personal growth and spiritual formation. Such literature often takes the form of ...

**243 Evangelistic writings for individuals and families **244 ''No longer used—formerly

Religious fiction This article is an index of pages on religious fiction, genres of fiction which deal with various religious or spiritual themes and topics. Genres by belief * Christian fiction * Islamic fiction * Jewish fiction * Visionary fiction Genres by forma ...

'' **245 ''No longer used—formerly Hymnology'' **246 Use of art in Christianity **247

Church Church may refer to: Religion * Church (building), a place/building for Christian religious activities and praying * Church (congregation), a local congregation of a Christian denomination * Church service, a formalized period of Christian comm ...

furnishings and related articles **248 Christian experience, practice, life **249 Christian observances in family life *250 Christian

orders Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * H ...

and local church **250 Local Christian church and Christian religious orders **251 Preaching (

Homiletics In religious studies, homiletics ( ''homilētikós'', from ''homilos'', "assembled crowd, throng") is the application of the general principles of rhetoric to the specific art of public preaching. One who practices or studies homiletics may be ...

) **252 Texts of

sermon A sermon is a religious discourse or oration by a preacher, usually a member of clergy. Sermons address a scriptural, theological, or moral topic, usually expounding on a type of belief, law, or behavior within both past and present context ...

s **253 Pastoral office and work (

Pastoral theology Pastoral theology is the branch of practical theology concerned with the application of the study of religion in the context of regular church ministry. This approach to theology seeks to give practical expression to theology. Normally viewed as ...

) **254

Parish A parish is a territorial entity in many Christianity, Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest#Christianity, priest, often termed a parish pries ...

administration **255

Religious congregation A religious congregation is a type of Religious institute (Catholic), religious institute in the Catholic Church. They are legally distinguished from Religious order (Catholic), religious orders – the other major type of religious institute – i ...

s and orders **256 ''No longer used — formerly Religious societies'' **257 ''No longer used — formerly Parochial schools, libraries, etc.'' **258 ''No longer used — formerly Parochial medicine'' **259 Pastoral care of families, of specific groups of people *260 Social and ecclesiastical theology **260 Christian social and ecclesiastical theology **261 Social theology and interreligious relations and attitudes **262

Ecclesiology In Christian theology, ecclesiology is the study of the Church, the origins of Christianity, its relationship to Jesus, its role in salvation, its polity, its discipline, its eschatology, and its leadership. In its early history, one of th ...

**263 Days, times, places of religious observance **264 Public worship **265

Sacrament A sacrament is a Christian rite which is recognized as being particularly important and significant. There are various views on the existence, number and meaning of such rites. Many Christians consider the sacraments to be a visible symbol ...

s, other rites and acts **266 Missions **267 Associations for religious work **268

Religious education In secular usage, religious education is the teaching of a particular religion (although in the United Kingdom the term ''religious instruction'' would refer to the teaching of a particular religion, with ''religious education'' referring to t ...

**269 Spiritual renewal *270 History of Christianity **270 History, geographic treatment, biography of Christianity **271 Religious congregations and orders in church history **272

Persecution Persecution is the systematic mistreatment of an individual or group by another individual or group. The most common forms are religious persecution, racism, and political persecution, though there is naturally some overlap between these term ...

s in church history **273 Doctrinal controversies and heresies in general church history **274

Christianity in Europe Christianity is the predominant religion in Europe. Christianity has been practiced in Europe since the first century, and a number of the Pauline Epistles were addressed to Christians living in Greece, as well as other parts of the Roman Empi ...

**275

Christianity in Asia Christianity in Asia has its roots in the very inception of Christianity, which originated from the life and teachings of Jesus in 1st-century Roman Judea. Christianity then spread through the missionary work of his apostles, first in the Le ...

**276

Christianity in Africa Christianity arrived to Africa in the 1st century AD; as of 2024, it is the largest religion on the continent. Several African Christians influenced the early development of Christianity and shaped its doctrines, including Tertullian, Perpetua, ...

**277 Christianity in North America **278 Christianity in South America **279 History of Christianity in other areas *280

Christian denomination A Christian denomination is a distinct Religion, religious body within Christianity that comprises all Church (congregation), church congregations of the same kind, identifiable by traits such as a name, particular history, organization, leadersh ...

s **280 Denominations and sects of Christian church **281

Early church Early Christianity, otherwise called the Early Church or Paleo-Christianity, describes the historical era of the Christian religion up to the First Council of Nicaea in 325. Christianity spread from the Levant, across the Roman Empire, and bey ...

and

Eastern churches Eastern Christianity comprises Christianity, Christian traditions and Christian denomination, church families that originally developed during Classical antiquity, classical and late antiquity in the Eastern Mediterranean region or locations fu ...

**282

Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...

Church **283

Anglican Anglicanism, also known as Episcopalianism in some countries, is a Western Christianity, Western Christian tradition which developed from the practices, liturgy, and identity of the Church of England following the English Reformation, in the ...

churches **284

Protestant Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...

denominations of Continental origin (

Lutheran Lutheranism is a major branch of Protestantism that emerged under the work of Martin Luther, the 16th-century German friar and Protestant Reformers, reformer whose efforts to reform the theology and practices of the Catholic Church launched ...

, Continental Reformed) **285

Presbyterian Presbyterianism is a historically Reformed Protestant tradition named for its form of church government by representative assemblies of elders, known as "presbyters". Though other Reformed churches are structurally similar, the word ''Pr ...

churches, Reformed churches centered in America,

Congregational Congregationalism (also Congregational Churches or Congregationalist Churches) is a Reformed Christianity, Reformed Christian (Calvinist) tradition of Protestant Christianity in which churches practice Congregationalist polity, congregational ...

churches **286

Baptist Baptists are a Christian denomination, denomination within Protestant Christianity distinguished by baptizing only professing Christian believers (believer's baptism) and doing so by complete Immersion baptism, immersion. Baptist churches ge ...

Restoration Movement The Restoration Movement (also known as the American Restoration Movement or the Stone–Campbell Movement, and pejoratively as Campbellism) is a Christian movement that began on the American frontier during the Second Great Awakening (1790–1 ...

Adventist Adventism is a branch of Protestant Christianity that believes in the imminent Second Coming (or the "Second Advent") of Jesus Christ. It originated in the 1830s in the United States during the Second Great Awakening when Baptist preacher Willi ...

churches **287

Methodist Methodism, also called the Methodist movement, is a Protestant Christianity, Christian Christian tradition, tradition whose origins, doctrine and practice derive from the life and teachings of John Wesley. George Whitefield and John's brother ...

churches; churches related to Methodism **288 ''No longer used — formerly Unitarian'' **289 Other denominations and sects *290 Other religions **290 Other religions **291 ''No longer used — formerly Comparative religion'' **292 Classical religion (

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

and Roman religion) **293

Germanic religion Germanic religion may refer to: * Germanic paganism Germanic paganism or Germanic religion refers to the traditional, culturally significant religion of the Germanic peoples. With a chronological dating, chronological range of at least one t ...

**294 Religions of Indic origin **295

Zoroastrianism Zoroastrianism ( ), also called Mazdayasnā () or Beh-dīn (), is an Iranian religions, Iranian religion centred on the Avesta and the teachings of Zoroaster, Zarathushtra Spitama, who is more commonly referred to by the Greek translation, ...

(Mazdaism, Parseeism) **296

Judaism Judaism () is an Abrahamic religions, Abrahamic, Monotheism, monotheistic, ethnic religion that comprises the collective spiritual, cultural, and legal traditions of the Jews, Jewish people. Religious Jews regard Judaism as their means of o ...

**297

Islam Islam is an Abrahamic religions, Abrahamic monotheistic religion based on the Quran, and the teachings of Muhammad. Adherents of Islam are called Muslims, who are estimated to number Islam by country, 2 billion worldwide and are the world ...

Bábism Bábism () is a Messianism, messianic movement founded in 1844 by Báb, the Báb ( 'Ali Muhammad). The Báb, an Iranian merchant-turned-prophet, professed that there is one incorporeal, unknown, and incomprehensible GodEdward Granville Browne ...

, and

Baháʼí Faith The Baháʼí Faith is a religion founded in the 19th century that teaches the Baháʼí Faith and the unity of religion, essential worth of all religions and Baháʼí Faith and the unity of humanity, the unity of all people. Established by ...

**298 ''No longer used — formerly

Mormonism Mormonism is the theology and religious tradition of the Latter Day Saint movement of Restorationism, Restorationist Christianity started by Joseph Smith in Western New York in the 1820s and 1830s. As a label, Mormonism has been applied to va ...

'' **299 Religions not provided for elsewhere

Class 300 – Social sciences

*300

Social science Social science (often rendered in the plural as the social sciences) is one of the branches of science, devoted to the study of societies and the relationships among members within those societies. The term was formerly used to refer to the ...

sociology Sociology is the scientific study of human society that focuses on society, human social behavior, patterns of Interpersonal ties, social relationships, social interaction, and aspects of culture associated with everyday life. The term sociol ...

, and

anthropology Anthropology is the scientific study of humanity, concerned with human behavior, human biology, cultures, society, societies, and linguistics, in both the present and past, including archaic humans. Social anthropology studies patterns of behav ...

**300 Social sciences **301 Sociology and anthropology **302

Social interaction A social relation is the fundamental unit of analysis within the social sciences, and describes any voluntary or involuntary interpersonal relationship between two or more conspecifics within and/or between groups. The group can be a language or ...

**303 Social processes **304 Factors affecting social behavior **305 Groups of people **306

Culture Culture ( ) is a concept that encompasses the social behavior, institutions, and Social norm, norms found in human societies, as well as the knowledge, beliefs, arts, laws, Social norm, customs, capabilities, Attitude (psychology), attitudes ...

and

institution An institution is a humanly devised structure of rules and norms that shape and constrain social behavior. All definitions of institutions generally entail that there is a level of persistence and continuity. Laws, rules, social conventions and ...

s **307

Communities A community is a Level of analysis, social unit (a group of people) with a shared socially-significant characteristic, such as place (geography), place, set of Norm (social), norms, culture, religion, values, Convention (norm), customs, or Ide ...

**308 ''No longer used — formerly "Polygraphy"'' **309 ''No longer used — formerly "

History of sociology Sociology as a scholarly discipline emerged, primarily out of Enlightenment thought, as a positivist ''science of society'' shortly after the French Revolution. Its genesis owed to various key movements in the philosophy of science and the phi ...

"'' *310 Statistics **310 Collections of general statistics **311 ''No longer used — formerly "Theory and methods"'' **312 ''No longer used — formerly "Population"'' **313 ''No longer used — formerly "Special topics"'' **314 General statistics of Europe **315 General statistics of Asia **316 General statistics of Africa **317 General statistics of North America **318 General statistics of South America **319 General statistics of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica *320

Political science Political science is the scientific study of politics. It is a social science dealing with systems of governance and Power (social and political), power, and the analysis of political activities, political philosophy, political thought, polit ...

**320 Political science (Politics and government) **321 Systems of governments and states **322 Relation of

state State most commonly refers to: * State (polity), a centralized political organization that regulates law and society within a territory **Sovereign state, a sovereign polity in international law, commonly referred to as a country **Nation state, a ...

to organized groups and their members **323 Civil and political rights **324 The

political Politics () is the set of activities that are associated with decision-making, making decisions in social group, groups, or other forms of power (social and political), power relations among individuals, such as the distribution of Social sta ...

process **325 International

migration Migration, migratory, or migrate may refer to: Human migration * Human migration, physical movement by humans from one region to another ** International migration, when peoples cross state boundaries and stay in the host state for some minimum le ...

and

colonization 475px, Map of the year each country achieved List of sovereign states by date of formation, independence. Colonization (British English: colonisation) is a process of establishing occupation of or control over foreign territories or peoples f ...

**326

Slavery Slavery is the ownership of a person as property, especially in regards to their labour. Slavery typically involves compulsory work, with the slave's location of work and residence dictated by the party that holds them in bondage. Enslavemen ...

and

emancipation Emancipation generally means to free a person from a previous restraint or legal disability. More broadly, it is also used for efforts to procure Economic, social and cultural rights, economic and social rights, civil and political rights, po ...

**327

International relations International relations (IR, and also referred to as international studies, international politics, or international affairs) is an academic discipline. In a broader sense, the study of IR, in addition to multilateral relations, concerns al ...

**328 The

legislative A legislature (, ) is a deliberative assembly with the legal authority to make laws for a political entity such as a country, nation or city on behalf of the people therein. They are often contrasted with the executive and judicial powers ...

process **329 ''No longer used— formerly "Political Parties"'' *330

Economics Economics () is a behavioral science that studies the Production (economics), production, distribution (economics), distribution, and Consumption (economics), consumption of goods and services. Economics focuses on the behaviour and interac ...

**330 Economics **331 Labor economics **332

Financial economics Financial economics is the branch of economics characterized by a "concentration on monetary activities", in which "money of one type or another is likely to appear on ''both sides'' of a trade".William F. Sharpe"Financial Economics", in Its co ...

**333 Economics of land and energy **334

Cooperative A cooperative (also known as co-operative, coöperative, co-op, or coop) is "an autonomy, autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned a ...

s **335

Socialism Socialism is an economic ideology, economic and political philosophy encompassing diverse Economic system, economic and social systems characterised by social ownership of the means of production, as opposed to private ownership. It describes ...

and related systems **336

Public finance Public finance refers to the monetary resources available to governments and also to the study of finance within government and role of the government in the economy. Within academic settings, public finance is a widely studied subject in man ...

**337

International economics International economics is concerned with the effects upon economic activity from international differences in productive resources and consumer preferences and the international institutions that affect them. It seeks to explain the patterns an ...

**338 Production **339

Macroeconomics Macroeconomics is a branch of economics that deals with the performance, structure, behavior, and decision-making of an economy as a whole. This includes regional, national, and global economies. Macroeconomists study topics such as output (econ ...

and related topics *340

Law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior, with its precise definition a matter of longstanding debate. It has been variously described as a science and as the ar ...

**340 Law **341 Law of nations **342

Constitutional A constitution is the aggregate of fundamental principles or established precedents that constitute the legal basis of a polity, organization or other type of entity, and commonly determines how that entity is to be governed. When these princ ...

and

administrative law Administrative law is a division of law governing the activities of government agency, executive branch agencies of government. Administrative law includes executive branch rulemaking (executive branch rules are generally referred to as "regul ...

**343

Military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a d ...

, defense, public property, public finance,

tax A tax is a mandatory financial charge or levy imposed on an individual or legal entity by a governmental organization to support government spending and public expenditures collectively or to regulate and reduce negative externalities. Tax co ...

, commerce (

trade Trade involves the transfer of goods and services from one person or entity to another, often in exchange for money. Economists refer to a system or network that allows trade as a market. Traders generally negotiate through a medium of cr ...

industrial law Labour laws (also spelled as labor laws), labour code or employment laws are those that mediate the relationship between workers, employing entities, trade unions, and the government. Collective labour law relates to the tripartite relationship be ...

**344

Labor Labour or labor may refer to: * Childbirth, the delivery of a baby * Labour (human activity), or work ** Manual labour, physical work ** Wage labour, a socioeconomic relationship between a worker and an employer ** Organized labour and the labour ...

, social service, education, cultural law **345

Criminal law Criminal law is the body of law that relates to crime. It proscribes conduct perceived as threatening, harmful, or otherwise endangering to the property, health, safety, and Well-being, welfare of people inclusive of one's self. Most criminal l ...

**346

Private law Private law is that part of a legal system that governs interactions between individual persons. It is distinguished from public law, which deals with relationships between both natural and artificial persons (i.e., organizations) and the st ...

**347 Procedure and

court A court is an institution, often a government entity, with the authority to adjudicate legal disputes between Party (law), parties and Administration of justice, administer justice in Civil law (common law), civil, Criminal law, criminal, an ...

s **348

regulation Regulation is the management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society, but the term has slightly different meanings according to context. Fo ...

case Case or CASE may refer to: Instances * Instantiation (disambiguation), a realization of a concept, theme, or design * Special case, an instance that differs in a certain way from others of the type Containers * Case (goods), a package of relate ...

s **349 Law of specific jurisdictions, areas, socioeconomic regions, regional intergovernmental organizations *350

Public administration Public administration, or public policy and administration refers to "the management of public programs", or the "translation of politics into the reality that citizens see every day",Kettl, Donald and James Fessler. 2009. ''The Politics of the ...

and

military science Military science is the study of military processes, institutions, and behavior, along with the study of warfare, and the theory and application of organized coercive force. It is mainly focused on theory, method, and practice of producing mi ...

**350 Public administration and military science **351 Public administration **352 General considerations of public administration **353 Specific fields of public administration **354 Public administration of economy and environment **355

Military science Military science is the study of military processes, institutions, and behavior, along with the study of warfare, and the theory and application of organized coercive force. It is mainly focused on theory, method, and practice of producing mi ...

**356 Foot forces and warfare **357 Mounted forces and warfare **358

Air An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...

and other specialized forces and warfare; engineering and related services **359 Sea forces and warfare *360 Social problems and

social services Social services are a range of public services intended to provide support and assistance towards particular groups, which commonly include the disadvantaged. Also available amachine-converted HTML They may be provided by individuals, private and i ...

**360 Social problems and services; associations **361 Social problems and services **362 Social problems of and services to groups of people **363 Other social problems and services **364

Criminology Criminology (from Latin , 'accusation', and Ancient Greek , ''-logia'', from λόγος ''logos'', 'word, reason') is the interdisciplinary study of crime and deviant behaviour. Criminology is a multidisciplinary field in both the behaviou ...

**365

Penal Penal is a town in south Trinidad, Trinidad and Tobago. It lies south of San Fernando, Princes Town, and Debe, and north of Moruga, Morne Diablo and Siparia. Penal is noted as a heartland of Hindu and Indo-Trinidadian culture. History Up ...

and related institutions **366 Secret associations and societies **367 General clubs **368

Insurance Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect ...

**369 Associations *370

**370 Education **371 Schools and their activities,

special education Special education (also known as special-needs education, aided education, alternative provision, exceptional student education, special ed., SDC, and SPED) is the practice of educating students in a way that accommodates their individual di ...

**372 Primary education (

elementary education Primary education is the first stage of formal education, coming after preschool/kindergarten and before secondary education. Primary education takes place in ''primary schools'', ''elementary schools'', or first schools and middle schools, de ...

) **373

Secondary education Secondary education is the education level following primary education and preceding tertiary education. Level 2 or ''lower secondary education'' (less commonly ''junior secondary education'') is considered the second and final phase of basic e ...

**374

Adult education Adult education, distinct from child education, is a practice in which adults engage in systematic and sustained educating activities in order to gain new knowledge, skills, attitudes, or values. Merriam, Sharan B. & Brockett, Ralph G. ''The Pr ...

**375

Curriculum In education, a curriculum (; : curriculums or curricula ) is the totality of student experiences that occur in an educational process. The term often refers specifically to a planned sequence of instruction, or to a view of the student's experi ...

**376 ''No longer used — formerly " Education of women" '' **377 ''No longer used — formerly "Ethical education" '' **378

Higher education Tertiary education (higher education, or post-secondary education) is the educational level following the completion of secondary education. The World Bank defines tertiary education as including universities, colleges, and vocational schools ...

(Tertiary education) **379 Public policy issues in education *380

Commerce Commerce is the organized Complex system, system of activities, functions, procedures and institutions that directly or indirectly contribute to the smooth, unhindered large-scale exchange (distribution through Financial transaction, transactiona ...

communication Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether Intention, unintentional or failed transmissions are included and whether communication not onl ...

s and

transportation Transport (in British English) or transportation (in American English) is the intentional Motion, movement of humans, animals, and cargo, goods from one location to another. Mode of transport, Modes of transport include aviation, air, land tr ...

**380 Commerce, communications transportation **381 Commerce (Trade) **382 International commerce (Foreign trade) **383 Postal communication **384 Communications **385 Railroad transportation **386 Inland

waterway A waterway is any Navigability, navigable body of water. Broad distinctions are useful to avoid ambiguity, and disambiguation will be of varying importance depending on the nuance of the equivalent word in other ways. A first distinction is ...

and

ferry A ferry is a boat or ship that transports passengers, and occasionally vehicles and cargo, across a body of water. A small passenger ferry with multiple stops, like those in Venice, Italy, is sometimes referred to as a water taxi or water bus ...

transportation **387

Water Water is an inorganic compound with the chemical formula . It is a transparent, tasteless, odorless, and Color of water, nearly colorless chemical substance. It is the main constituent of Earth's hydrosphere and the fluids of all known liv ...

air An atmosphere () is a layer of gases that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low. A stellar atmosph ...

space transport Spaceflight (or space flight) is an application of astronautics to fly objects, usually spacecraft, into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such a ...

ation **388 Transportation **389

Metrology Metrology is the scientific study of measurement. It establishes a common understanding of Unit of measurement, units, crucial in linking human activities. Modern metrology has its roots in the French Revolution's political motivation to stan ...

and

standardization Standardization (American English) or standardisation (British English) is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organiza ...

*390

Customs Customs is an authority or Government agency, agency in a country responsible for collecting tariffs and for controlling International trade, the flow of goods, including animals, transports, personal effects, and hazardous items, into and out ...

etiquette Etiquette ( /ˈɛtikɛt, -kɪt/) can be defined as a set of norms of personal behavior in polite society, usually occurring in the form of an ethical code of the expected and accepted social behaviors that accord with the conventions and ...

and

folklore Folklore is the body of expressive culture shared by a particular group of people, culture or subculture. This includes oral traditions such as Narrative, tales, myths, legends, proverbs, Poetry, poems, jokes, and other oral traditions. This also ...

**390 Customs, etiquette, folklore **391

Costume Costume is the distinctive style of dress and/or makeup of an individual or group that reflects class, gender, occupation, ethnicity, nationality, activity or epoch—in short, culture. The term also was traditionally used to describe typica ...

and personal appearance **392 Customs of life cycle and domestic life **393

Death customs Death is dealt with differently in cultures around the world, and there are ethical issues relating to death, such as martyrdom, suicide and euthanasia. Death refers to the permanent termination of life-sustaining processes in an organism, i.e. wh ...

**394 General customs **395 Etiquette ( Manners) **396 ''No longer used — formerly "Women's position and treatment"'' **397 ''No longer used — formerly " outcast studies" '' **398

Folklore Folklore is the body of expressive culture shared by a particular group of people, culture or subculture. This includes oral traditions such as Narrative, tales, myths, legends, proverbs, Poetry, poems, jokes, and other oral traditions. This also ...

**399 Customs of war and

diplomacy Diplomacy is the communication by representatives of State (polity), state, International organization, intergovernmental, or Non-governmental organization, non-governmental institutions intended to influence events in the international syste ...

Class 400 – Language

*400

Language Language is a structured system of communication that consists of grammar and vocabulary. It is the primary means by which humans convey meaning, both in spoken and signed language, signed forms, and may also be conveyed through writing syste ...

**400 Language **401 Philosophy of language, Philosophy and theory, international languages **402 Miscellany **403 Dictionary, Dictionaries, Encyclopedia, encyclopedias, concordances **404 Special topics of language **405 Serial publications **406 Organizations and management **407 language education, Education, research, related topics **408 Groups of people **409 Geographic treatment and biography *410 Outline of linguistics, Linguistics **410 Linguistics **411 Writing systems of standard forms of languages **412 Etymology of standard forms of languages **413 lexicology, Dictionaries of standard forms of languages **414 Phonology and phonetics of standard forms of languages **415 Grammar of standard forms of languages **416 ''No longer used — formerly "Prosody (linguistics), Prosody" '' **417 Dialectology and historical linguistics **418 Standard usage (linguistic prescription, Prescriptive linguistics) **419 Sign languages *420 English and Old English language, Old English languages **420 English and Old English, Old English (Anglo-Saxon) **421 English spelling, Writing system, English phonology, phonology, phonetics of standard English **422 Etymology of standard English **423 Dictionaries of standard English **424 ''No longer used — formerly "English thesauruses"'' **425 English grammar, Grammar of standard English **426 ''No longer used — formerly "English prosodies"'' **427 Historical and geographical variations, modern nongeographic variations of English **428 Standard English usage (Prescriptive linguistics) **429 Old English (Anglo-Saxon) *430 German language, German and related languages **430 German and related languages **431 German orthography, Writing systems, German phonology, phonology, phonetics of standard German **432 Etymology of standard German **433 Dictionaries of standard German **434 ''Not assigned or no longer used '' **435 German grammar, Grammar of standard German **436 ''Not assigned or no longer used '' **437 Historical and geographic variations, modern nongeographic variations of German **438 Standard German usage (Prescriptive linguistics) **439 Other Germanic languages *440 French and related languages **440 French and related Romance languages **441 French orthography, Writing systems, French phonology, phonology, phonetics of standard French **442 Etymology of standard French **443 Dictionaries of standard French **444 ''Not assigned or no longer used '' **445 French grammar, Grammar of standard French **446 ''Not assigned or no longer used '' **447 Historical and geographic variations, modern nongeographic variations of French **448 Standard French usage (Prescriptive linguistics) **449 Occitan Catalan, Provençal language, Franco-Provençal *450 italian language, Italian, Romanian and related languages **450 Italian, Dalmatian language, Dalmatian, Romanian, Rhaetian language, Rhaetian, Sardinian language, Sardinian, Corsican language, Corsican **451 Writing systems, Italian phonology, phonology, phonetics of standard Italian **452 Etymology of standard Italian **453 Dictionaries of standard Italian **454 ''Not assigned or no longer used '' **455 Italian grammar, Grammar of standard Italian **456 ''Not assigned or no longer used '' **457 Historical and geographic variations, modern nongeographic variations of Italian **458 Standard Italian usage (Prescriptive linguistics) **459 Romanian, Rhaetian, Sardinian, Corsican *460 Spanish, Portuguese, Galician **460 Spanish, Portuguese, Galician **461 Spanish orthography, Writing systems, Spanish phonology, phonology, phonetics of standard Spanish **462 Etymology of standard Spanish **463 Dictionaries of standard Spanish **464 ''Not assigned or no longer used '' **465 Spanish grammar, Grammar of standard Spanish **466 ''Not assigned or no longer used '' **467 Historical and geographic variations, modern nongeographic variations of Spanish **468 Standard Spanish usage (Prescriptive linguistics) **469 Portuguese *470 Latin and Italic languages **470 Latin and related Italic languages **471 Writing systems, phonology, phonetics of classical Latin **472 Etymology of classical Latin **473 Dictionaries of classical Latin **474 ''Not assigned or no longer used '' **475 Latin grammar, Grammar of classical Latin **476 ''Not assigned or no longer used '' **477 old Latin, Old, postclassical, Vulgar Latin **478 Classical Latin usage (Prescriptive linguistics) **479 Other Italic languages *480 Classical and modern Hellenic languages, Greek languages **480 Classical Greek and related Hellenic languages **481 Writing systems, Ancient Greek phonology, phonology, phonetics of classical Greek **482 Etymology of classical Greek **483 Dictionaries of classical Greek **484 ''Not assigned or no longer used '' **485 Grammar of classical Greek **486 ''Not assigned or no longer used '' **487 Preclassical Greek, Preclassical and postclassical Greek **488 Classical Greek usage (Prescriptive linguistics) **489 Other Hellenic languages *490 Other languages **490 Other languages **491 East Indo-European and Celtic languages **492 Afro-Asiatic languages **493 Non-Semitic Afro-Asiatic languages **494 Altaic, Uralic, Hyperborean, Dravidian languages, miscellaneous languages of south Asia **495 Languages of East and Southeast Asia **496 Languages of Africa, African languages **497 Indigenous languages of the Americas, North American native languages **498 Indigenous languages of the Americas, South American native languages **499 Non-Austronesian languages of Oceania, Austronesian languages, miscellaneous languages

Class 500 – Science

*500 Science **500 Natural sciences and mathematics **501 Philosophy and theory **502 Miscellany **503 Dictionaries, encyclopedias, Concordance (publishing), concordances **504 ''Not assigned or no longer used '' **505 Serial publications **506 Organizations and management **507 Education, research, related topics **508 Natural history **509 History of science, History, :Science and technology by country, geographic treatment, biography *510 Topic outline of mathematics, Mathematics **510 Mathematics **511 General principles of mathematics **512 Topic outline of algebra, Algebra **513 Topic outline of arithmetic, Arithmetic **514 Topology **515 Mathematical analysis, Analysis **516 Topic outline of geometry, Geometry **517 ''Not assigned or no longer used '' **518 Numerical analysis **519 Probabilities and applied mathematics *520 Outline of astronomy, Astronomy **520 Astronomy and allied sciences **521 Celestial mechanics **522 Techniques, procedures, apparatus, equipment, materials **523 Specific celestial bodies and phenomena **524 ''Not assigned or no longer used '' **525 Earth (Astronomical geography) **526 Mathematical geography **527 Celestial navigation **528 Ephemerides **529 Chronology *530 Outline of physics, Physics **530 Physics **531 Classical mechanics **532 Fluid mechanics **533 Pneumatics (Gas mechanics) **534 Sound and related vibrations **535 Light and related radiation **536 Heat **537 Electricity and electronics **538 Magnetism **539 Modern physics *540 Outline of chemistry, Chemistry **540 Chemistry and allied sciences **541 Physical chemistry **542 Techniques, procedures, apparatus, equipment, materials **543 Analytical chemistry **544 ''No longer used — formerly "Qualitative inorganic analysis, Qualitative analysis"'' **545 ''No longer used — formerly "Quantitative analysis (chemistry), Quantitative analysis"'' **546 Inorganic chemistry **547 Organic chemistry **548 Crystallography **549 Mineralogy *550 Earth sciences and geology **550 Earth sciences **551 Outline of geology, Geology, hydrology, meteorology **552 Petrology **553 Economic geology **554 Earth sciences of Europe **555 Earth sciences of Asia **556 Earth sciences of Africa **557 Earth sciences of North America **558 Earth sciences of South America **559 Earth sciences of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds *560 Fossils and prehistoric life **560 Paleontology **561 Paleobotany, fossil microorganisms **562 Fossil invertebrates **563 Miscellaneous fossil marine and seashore invertebrates **564 Fossil Mollusca and Molluscoidea **565 Fossil Arthropoda **566 Fossil Chordata **567 Fossil cold-blooded vertebrates **568 Fossil Aves (birds) **569 Fossil Mammalia *570 Biology **570 Biology **571 Physiology and related subjects **572 Outline of biochemistry, Biochemistry **573 Specific physiological systems in animals, regional histology and physiology in animals **574 ''Not assigned or no longer used'' **575 Specific parts of and Plant physiology, physiological systems in plants **576 Outline of genetics, Genetics and evolution **577 Outline of ecology, Ecology **578 Natural history of organisms and related subjects **579 Natural history of Microbiology, microorganisms, fungus, fungi, algae *580 Plants **580 Plants **581 Specific topics in natural history of plants **582 Plants noted for specific vegetative characteristics and flowers **583 Magnoliopsida (Dicotyledones) **584 Liliopsida (Monocotyledones) **585 Pinophyta (Gymnosperms) **586 Cryptogams, Cryptogamia (Seedless plants) **587 Pteridophyta **588 Bryophyte, Bryophyta **589 ''No longer used—formerly Forestry'' *590 Animals (Zoology) **590 Animals **591 Specific topics in natural history of animals **592 Invertebrates **593 Miscellaneous marine and seashore invertebrates **594 Mollusca and Molluscoidea **595 Arthropoda **596 Chordata **597 Ectotherm, Cold-blooded vertebrates **598 Bird, Aves (Birds) **599 Mammalia (Mammals)

Class 600 – Technology

*600 Outline of technology, Technology **600 Technology (Applied sciences) **601 Philosophy and theory **602 Miscellany **603 Dictionaries, encyclopedias, concordances **604 Technical drawing, hazardous materials technology; groups of people **605 Serial publications **606 Organizations **607 Education, research, related topics **608 Patents **609 History of technology, History, geographic treatment, biography *610 Outline of medicine, Medicine and health **610 Medicine and health **611 Outline of human anatomy, Human anatomy, cell biology, cytology, histology **612 Human physiology **613 Personal health and safety **614 Forensic medicine; incidence of injuries, wounds, disease; public preventive medicine **615 Pharmacology and therapeutics **616 Diseases **617 Surgery, regional medicine, dentistry, ophthalmology, otology, audiology **618 Gynecology, obstetrics, pediatrics, geriatrics **619 ''No longer used—formerly Experimental medicine'' *620 Outline of engineering, Engineering **620 Engineering and applied operations **621 Applied physics **622 Outline of mining, Mining and related operations **623 Military engineer, Military and nautical engineering **624 Civil engineering **625 Engineering of railroads, roads **626 ''Not assigned or no longer used '' **627 Hydraulic engineering **628 Sanitary engineering **629 Other branches of engineering *630 List of basic agriculture topics, Agriculture **630 Agriculture and related technologies **631 Specific techniques; apparatus, :Agricultural machinery, equipment, materials **632 Plant injuries, :Plant pathogens and diseases, diseases, Pest (organism), pests **633 Field (agriculture), Field and plantation crops **634 Orchards, fruits, forestry **635 Garden crops (Horticulture) **636 Animal husbandry **637 Processing dairy and related products **638 Insect culture **639 Hunting, fishing, Wildlife conservation, conservation, related technologies *640 Home and family management **640 Home and family management **641 Food and drink **642 Meals and table service **643 House, Housing and household equipment **644 Household utilities **645 Furniture, Household furnishings **646 Sewing,

, management of personal and family life **647 Household management, Management of public households (Institutional housekeeping) **648 Household chore, Housekeeping **649 Child rearing; home care of people with disabilities and illnesses *650 Management and public relations **650 Management and auxiliary services **651 Office services **652 Processes of written communication **653 Shorthand **654–656 ''Not assigned or no longer used'' **657 Accounting **658 General management **659 Advertising and public relations *660 Chemical engineering **660 Chemical engineering and related technologies **661 Technology of industrial chemicals **662 Technology of explosives, fuels, related products **663 Beverage technology **664 Food technology **665 Technology of industrial oils, fats, waxes, gases **666 Ceramic and allied technologies **667 washing, Cleaning, pigment, color, coating, related technologies **668 Technology of other organic products **669 Metallurgy *670 Outline of manufacturing, Manufacturing **670 Manufacturing **671 Metalworking processes and primary metal products **672 Iron, steel, other :Ferrous alloys, iron alloys **673 Nonferrous metals **674 Timber, Lumber processing, wood products, cork (material), cork **675 Leather and fur processing **676 Pulp and paper industry, Pulp and paper technology **677 Textiles **678 Elastomers and elastomer products **679 Other products of specific kinds of materials *680 Manufacture for specific uses **680 Manufacture of products for specific uses **681 Measuring instrument, Precision instruments and other devices **682 Small forge work (Blacksmithing) **683 Household hardware, Hardware and :Home appliances, household appliances **684 Furnishings and home workshops **685 Leather and fur goods, and related products **686 Printing and related activities **687 Clothing and accessories **688 Other final products, and packaging technology **689 ''Not assigned or no longer used '' *690 Construction of buildings **690 Construction of buildings **691 Building materials **692 Auxiliary construction practices **693 Construction in specific types of materials and for specific purposes **694 Carpentry, Wood construction **695 Roof covering **696 Utilities **697 HVAC, Heating, ventilating, air-conditioning engineering **698 Detail finishing **699 ''Not assigned or no longer used''

Class 700 – Arts and recreation

*700 Arts **700 The Arts **701 Philosophy of art, Philosophy and Aesthetics, theory of fine and decorative arts **702 Miscellany of fine and decorative arts **703 Dictionaries, encyclopedias, concordances of fine and decorative arts **704 Special topics in fine and decorative arts **705 :Visual arts magazines, Serial publications of fine and decorative arts **706 Organizations and management of fine and decorative arts **707 Education, research, related topics of fine and decorative arts **708 :Art museums and galleries, Galleries, museums, private collections of fine and decorative arts **709 Art history, History, geographic treatment, biography *710 Area planning and landscape art, landscape architecture **710 Area planning and landscape architecture **711 urbanism, Area planning (Civic art) **712 Landscape architecture (Landscape design) **713 Landscape architecture of trafficways **714 Water features in landscape architecture **715 Woody plants in landscape architecture **716 Herbaceous plants in landscape architecture **717 Structures in landscape architecture **718 Landscape design of cemeteries **719 Natural landscapes *720 Outline of architecture, Architecture **720 Architecture **721 Architectural materials and structural elements **722 Architecture from earliest times to **723 Architecture from to 1399 **724 Architecture from 1400 **725 Public structures **726 religious architecture, Buildings for religious and related purposes **727 Buildings for educational and research purposes **728 house, Residential and related buildings **729 Design and Painter and decorator, decoration of structures and accessories *730 Outline of sculpture, Sculpture, ceramics and metalwork **730 Sculpture and related arts **731 Processes, forms, subjects of sculpture **732 Sculpture from earliest times to , sculpture of non-literate peoples **733 Classical sculpture, Greek, Etruscan, Roman sculpture **734 Sculpture from ca 500 to 1399 **735 Sculpture from 1400 **736 Stone carving, Carving and carvings **737 Numismatics and sigillography **738 Ceramics (art), Ceramic arts **739 Art metalwork *740 Graphic arts and decorative arts **740 Graphic arts **741 Drawing and drawings **742 Perspective (graphical), Perspective in drawing **743 Drawing and drawings by subject **744 Communication design and visual design (proposed) **745 Decorative arts **746 Textile arts **747 Interior decoration **748 Glass **749 Furniture and accessories *750 Painting **750 Painting and :Paintings, paintings **751 Techniques, procedures, apparatus, equipment, materials, forms **752 Color **753 Symbolism, allegory,

, legend **754 Genre art, Genre paintings **755 iconography, Religion **756 ''Not assigned or no longer used '' **757 Human figures **758 Nature, architectural subjects and cityscapes, other specific subjects **759 History of painting, History, geographic treatment, biography *760 Printmaking and prints **760 Printmaking and prints **761 Relief processes (Block printing) **762 ''Not assigned or no longer used '' **763 lithography, Lithographic processes (Planographic processes) **764 Chromolithography and serigraphy **765 Metal engraving **766 Mezzotinting, aquatinting, and related processes **767 Etching and drypoint **768 ''Not assigned or no longer used '' **769 Prints *770 Outline of photography, Photography, computer art, film, video **770 Photography, computer art, cinematography, videography **771 :Photographic techniques, Techniques, procedures, apparatus, :Photography equipment, equipment, materials **772 Metallic salt processes **773 Pigment processes of printing **774 ''No longer used—formerly Holography'' **775 ''No longer used—formerly Digital photography'' **776 Computer art (Digital art) **777 Cinematography and Videography **778 Specific fields and special kinds of photography **779 :Photographs, Photographic images *780 Outline of music, Music **780 Music **781 Music theory, General principles and musical forms **782 Vocal music **783 Music for single voices **784 musical instrument, Instruments and Musical ensemble, Instrumental ensembles and their music **785 Ensembles with only one instrument per part **786 keyboard instrument, Keyboard, mechanical, electrophonic, percussion instruments **787 String instrument, Stringed instruments (Chordophones) **788 Wind instruments (Aerophones) **789 ''Not assigned or no longer used '' *790 Outline of sports, Sports, games and entertainment **790 Recreational and performing arts **791 Public performances **792 Stage presentations **793 Indoor games and amusements **794 Indoor games of skill **795 Games of chance **796 Athletic and outdoor sports and games **797 Aquatic and air sports **798 List of equestrian sports, Equestrian sports and animal racing **799 Fishing, hunting, shooting

Class 800 – Literature

*800 Outline of literature, Literature, rhetoric and Literary criticism, criticism **800 Literature (Belles-lettres) and rhetoric **801 Philosophy and theory **802 Miscellany **803 Dictionaries, encyclopedias, concordances **804 ''Not assigned or no longer used '' **805 Literary magazine, Serial publications **806 Organizations and management **807 Education, research, related topics **808 Rhetoric and collections of literary texts from more than two literatures **809 history of literature, History, description, critical appraisal of more than two literatures *810 American literature in English **810 American literature in English **811 American Poetry of the United States, poetry in English **812 American drama in English **813 American fiction in English **814 American essays in English **815 American speeches in English **816 American letters in English **817 American humor and satire in English **818 American miscellaneous writings in English **819 ''No longer used—formerly Puzzle activities'' *820 English literature, English and Old English literatures **820 English and Old English literature, Old English (Anglo-Saxon) literatures **821 English poetry **822 English drama **823 English fiction **824 English essays **825 English speeches **826 English letters **827 English humor and satire **828 English miscellaneous writings **829 Old English (Anglo-Saxon) literature *830 German literature, German and related literatures **830 German literature and literatures of related languages **831 German poetry **832 German drama **833 German fiction **834 German essays **835 German speeches **836 German letters **837 German humor and satire **838 German miscellaneous writings **839 Other Germanic literatures *840 French and related literatures **840 French literature and literatures of related Romance languages **841 French poetry **842 French drama **843 French fiction **844 French essays **845 French speeches **846 French letters **847 French humor and satire **848 French miscellaneous writings **849 Occitan literature, Occitan, Catalan literature, Catalan, Franco-Provençal literatures *850 Italian literature, Italian, romanian literature, Romanian and related literatures **850 Literatures of Italian, Dalmatian, Romanian, Rhaetian, Sardinian, Corsican languages **851 Italian poetry **852 Italian drama **853 Italian fiction **854 Italian essays **855 Italian speeches **856 Italian letters **857 Italian humor and satire **858 Italian miscellaneous writings **859 Literatures of Romanian, Rhaetian, Sardinian, Corsican languages *860 Spanish literature, Spanish, Portuguese literature, Portuguese, Galician literatures **860 Literatures of Spanish, Portuguese, Galician languages **861 Spanish poetry **862 Spanish drama **863 Spanish fiction **864 Spanish essays **865 Spanish speeches **866 Spanish letters **867 Spanish humor and satire **868 Spanish miscellaneous writings **869 Literatures of Portuguese and Galician languages *870 Latin literature, Latin and Italic literatures **870 Latin literature and literatures of related Italic languages **871 Latin poetry **872 Latin dramatic poetry and drama **873 Latin epic poetry and fiction **874 Latin lyric poetry **875 Latin speeches **876 Latin letters **877 Latin humor and satire **878 Latin miscellaneous writings **879 Literatures of other Italic languages *880 Classical and modern Greek literatures **880 Classical Greek literature and literatures of related Hellenic languages **881 Classical Greek poetry **882 Classical Greek drama **883 Classical Greek epic poetry and fiction **884 Classical Greek lyric poetry **885 Classical Greek speeches **886 Classical Greek letters **887 Classical Greek humor and satire **888 Classical Greek miscellaneous writings **889 Modern Greek literature *890 Other literatures **890 Literatures of other specific languages and language families **891 East Indo-European and Celtic literature, Celtic literatures **892 Afro-Asiatic languages, Afro-Asiatic literatures **893 Non-Semitic Afro-Asiatic literatures **894 Literatures of Altaic, Uralic, Hyperborean, Dravidian peoples, Dravidian languages; literatures of miscellaneous languages of South Asia **895 Literatures of East and Southeast Asia **896 African literatures **897 Literatures of North American native languages **898 Literatures of South American native languages **899 Literatures of non-Austronesian languages of Oceania, of Austronesian languages, of miscellaneous languages

Class 900 – History and geography

*900 Outline of history, History **900 History, geography, and auxiliary disciplines **901 Philosophy and theory of history **902 Miscellany of history **903 Dictionaries, encyclopedias, concordances of history **904 Collected accounts of events **905 Serial publications of history **906 Organizations and management of history **907 Education, research, related topics of history **908 History with respect to groups of people **909 World history (field), World history *910 Geography and travel **910 Geography and travel **911 Historical geography **912 Map, Graphic representations of surface of Earth and of extraterrestrial worlds **913 Geography of and travel in the ancient world **914 Geography of and travel in Outline of Europe, Europe **915 Geography of and travel in Outline of Asia, Asia **916 Geography of and travel in Outline of Africa, Africa **917 Geography of and travel in Outline of North America, North America **918 Geography of and travel in Outline of South America, South America **919 Geography of and travel in Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, and on extraterrestrial worlds *920 Biography and genealogy **920 Biography, genealogy, insignia **921–928 This range is reserved as an optional location for biographies, which are shelved alphabetically by subject's last name. **929 Genealogy, names, insignia *930 Ancient history, History of ancient world (to ) **930 History of ancient world to **931 History of China#Ancient China, China to History of the Jin dynasty (266–420), 420 **932 Ancient Egypt, Egypt to Sasanian Egypt, 640 **933 History of Palestine, Palestine to Siege of Jerusalem (70 CE), 70 **934 History of South Asia, South Asia to 647 **935 History of Mesopotamia, Mesopotamia and History of Iran, Iranian Plateau to Early Muslim conquests, 637 **936 Prehistoric Europe, Europe north and west of Italian Peninsula to **937 Western Roman Empire, Italy and adjacent territories to Fall of the Western Roman Empire, 476 **938 Ancient Greece, Greece to 323 **939 Other parts of ancient world * 940 History of Europe **940 History of Europe **941 History of the British Isles, British Isles **942 History of England, England and History of Wales, Wales **943 History of Germany, Germany and neighboring Central Europe, central European countries **944 History of France, France and History of Monaco, Monaco **945 History of Italy, Italy, San Marino, Vatican City, Malta **946 History of Spain, Spain, Andorra, Gibraltar, History of Portugal, Portugal **947 History of Russia, Russia and Post-Soviet states, neighboring east European countries **948 History of Scandinavia, Scandinavia **949 Other parts of Europe *950 History of Asia **950 History of Asia **951 History of China, China and adjacent areas **952 History of Japan, Japan **953 Arabian Peninsula and adjacent areas **954 History of India, India and neighboring History of South Asia, south Asian countries **955 History of Iran, Iran **956 History of the Middle East, Middle East (Near East) **957 History of Siberia, Siberia (Asiatic Russia) **958 History of Central Asia, Central Asia **959 History of Southeast Asia, Southeast Asia * 960 History of Africa **960 History of Africa **961 History of Tunisia, Tunisia and History of Libya, Libya **962 History of Egypt, Egypt, History of Sudan, Sudan, South Sudan **963 History of Ethiopia, Ethiopia and Eritrea **964 History of Morocco, Morocco, Ceuta, Melilla Western Sahara, Canary Islands#History, Canary Islands **965 History of Algeria, Algeria **966 History of West Africa, West Africa and offshore islands **967 Central Africa and offshore islands **968 History of South Africa, South Africa & southern Africa **969 South Indian Ocean islands * 970 History of North America **970 History of North America **971 History of Canada, Canada **972 History of Mexico, Mexico, History of Central America, Central America, West Indies, Bermuda **973 History of the United States, United States **974 Northeastern United States#History, Northeastern United States (New England and Middle Atlantic states) **975 Southeastern United States (South Atlantic states) **976 South central United States **977 North central United States **978 Western United States **979 Great Basin and Pacific Slope region of United States * 980 History of South America **980 History of South America **981 History of Brazil, Brazil **982 History of Argentina, Argentina **983 History of Chile, Chile **984 History of Bolivia, Bolivia **985 History of Peru, Peru **986 History of Colombia, Colombia and History of Ecuador, Ecuador **987 History of Venezuela, Venezuela **988 History of Guyana, Guiana **989 History of Paraguay, Paraguay and History of Uruguay, Uruguay * 990 History of other areas **990 History of Australasia, Pacific Ocean islands, Atlantic Ocean islands, Arctic islands, Antarctica, extraterrestrial worlds **991–992 ''Not assigned or no longer used'' **993 History of New Zealand, New Zealand **994 History of Australia, Australia **995 History of Papua New Guinea, New Guinea and neighboring countries of Melanesia **996 Polynesia and other Pacific Ocean islands **997 Atlantic Ocean islands **998 Arctic islands and History of Antarctica, Antarctica **999 Extraterrestrial worlds

References

External links

Dewey Services
OCLC
Summary lists of ''Dewey Decimal Classification'', 23rd edition (2011)
OCLC {{Gutenberg, no=12513 , name=A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library , edition=1st edition (1876) Dewey Decimal Classification,

Class 000 – Computer science, information, and general works

Class 100 – Philosophy and psychology

Class 200 – Religion

Class 300 – Social sciences

Class 400 – Language

Class 500 – Science

Class 600 – Technology

Class 700 – Arts and recreation

Class 800 – Literature

Class 900 – History and geography

See also

References

External links