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A library is a collection of
materials Material is a substance or mixture of substances that constitutes an object. Materials can be pure or impure, living or non-living matter. Materials can be classified on the basis of their physical and chemical properties, or on their geologic ...
, books or media that are accessible for use and not just for display purposes. A library provides physical (hard copies) or digital access (soft copies) materials, and may be a physical location or a virtual space, or both. A library's collection can include
printed Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The ea ...
materials and other physical resources in many formats such as
DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind ...
, CD and cassette as well as access to information, music or other content held on
bibliographic database A bibliographic database is a database of bibliographic records, an organized digital collection of references to published literature, including journal and newspaper articles, conference proceedings, reports, government and legal publications, p ...
s. A library, which may vary widely in size, may be organized for use and maintained by a public body such as a government; an institution such as a school or museum; a corporation; or a private individual. In addition to providing materials, libraries also provide the services of
librarian A librarian is a person who works professionally in a library providing access to information, and sometimes social or technical programming, or instruction on information literacy to users. The role of the librarian has changed much over time, ...
s who are trained and experts at finding, selecting, circulating and organizing information and at interpreting information needs, navigating and analyzing very large amounts of information with a variety of resources. Library buildings often provide quiet areas for studying, as well as common areas for group study and collaboration, and may provide public facilities for access to their electronic resources; for instance: computers and access to the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
. The library's clientele and services offered vary depending on its type: users of a public library have different needs from those of a special library or academic library, for example. Libraries may also be community hubs, where programs are delivered and people engage in lifelong learning. Modern libraries extend their services beyond the physical walls of a building by providing material accessible by electronic means, including from home via the Internet. The services that libraries offer are variously described as library services, information services, or the combination "library and information services", although different institutions and sources define such terminology differently.


Etymology

The term ''library'' is based on the
Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
word for 'book' or 'document', contained in Latin 'collection of books' and 'container for books'. Other modern languages use derivations from
Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic peri ...
(), originally meaning 'book container', via Latin (
cf. The abbreviation ''cf.'' (short for the la, confer/conferatur, both meaning "compare") is used in writing to refer the reader to other material to make a comparison with the topic being discussed. Style guides recommend that ''cf.'' be used onl ...
French or
German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
).


History

The
history of libraries The history of libraries began with the first efforts to organize collections of documents. Topics of interest include accessibility of the collection, acquisition of materials, arrangement and finding tools, the book trade, the influence of th ...
began with the first efforts to organize collections of documents. The first libraries consisted of
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 ...
s of the earliest form of writing—the
clay tablet In the Ancient Near East, clay tablets ( Akkadian ) were used as a writing medium, especially for writing in cuneiform, throughout the Bronze Age and well into the Iron Age. Cuneiform characters were imprinted on a wet clay tablet with a sty ...
s in cuneiform script discovered in
Sumer Sumer () is the earliest known civilization in the historical region of southern Mesopotamia (south-central Iraq), emerging during the Chalcolithic and early Bronze Ages between the sixth and fifth millennium BC. It is one of the cradles of c ...
, some dating back to 2600 BC. Private or personal libraries made up of written books appeared in
classical Greece Classical Greece was a period of around 200 years (the 5th and 4th centuries BC) in Ancient Greece,The "Classical Age" is "the modern designation of the period from about 500 B.C. to the death of Alexander the Great in 323 B.C." ( Thomas R. Marti ...
in the 5th century BC. In the 6th century, at the very close of the Classical period, the great libraries of the Mediterranean world remained those of
Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...
and
Alexandria Alexandria ( or ; ar, ٱلْإِسْكَنْدَرِيَّةُ ; grc-gre, Αλεξάνδρεια, Alexándria) is the second largest city in Egypt, and the largest city on the Mediterranean coast. Founded in by Alexander the Great, Alexandria ...
. The Fatimids (r. 909–1171) also possessed many great libraries within their domains. The historian Ibn Abi Tayyi’ describes their palace library, which probably contained the largest collection of literature on earth at the time, as a " wonder of the world". Throughout history, along with bloody massacres, the destruction of libraries has been critical for conquerors who wish to destroy every trace of the vanquished community's recorded memory. A prominent example of this can be found in the Mongol massacre of the Nizaris at Alamut in 1256 and the torching of their library, "the fame of which", boasts the conqueror Juwayni, "had spread throughout the world". The libraries of
Timbuktu Timbuktu ( ; french: Tombouctou; Koyra Chiini: ); tmh, label=Tuareg, script=Tfng, ⵜⵏⴱⴾⵜ, Tin Buqt a city in Mali, situated north of the Niger River. The town is the capital of the Tombouctou Region, one of the eight administrativ ...
were established in the fourteenth century and attracted scholars from all over the world.


Functions

Libraries may provide physical or digital access to material, and may be a physical location or a virtual space, or both. A library's collection can include
book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical arr ...
s,
periodicals A periodical literature (also called a periodical publication or simply a periodical) is a published work that appears in a new edition on a regular schedule. The most familiar example is a newspaper, but a magazine or a journal are also exampl ...
,
newspaper A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background. Newspapers can cover a wide variety of fields such as politics, business, sports a ...
s,
manuscript A manuscript (abbreviated MS for singular and MSS for plural) was, traditionally, any document written by hand – or, once practical typewriters became available, typewritten – as opposed to mechanically printing, printed or repr ...
s,
film A film also called a movie, motion picture, moving picture, picture, photoplay or (slang) flick is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, feelings, beauty, or atmosphere ...
s,
maps A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes. Many maps are static, fixed to paper or some other durable medium, while others are dynamic or interactive. Although ...
, prints,
document A document is a written, drawn, presented, or memorialized representation of thought, often the manifestation of non-fictional, as well as fictional, content. The word originates from the Latin ''Documentum'', which denotes a "teaching" or ...
s,
microform Microforms are scaled-down reproductions of documents, typically either films or paper, made for the purposes of transmission, storage, reading, and printing. Microform images are commonly reduced to about 4% or of the original document size. F ...
,
CDs The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in Octo ...
, cassettes,
videotape Videotape is magnetic tape used for storing video and usually sound in addition. Information stored can be in the form of either an analog or digital signal. Videotape is used in both video tape recorders (VTRs) and, more commonly, videocassett ...
s,
DVD The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any kind ...
s,
Blu-ray Discs The Blu-ray Disc (BD), often known simply as Blu-ray, is a digital optical disc data storage format. It was invented and developed in 2005 and released on June 20, 2006 worldwide. It is designed to supersede the DVD format, and capable of sto ...
,
e-book An ebook (short for electronic book), also known as an e-book or eBook, is a book publication made available in digital form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Alt ...
s,
audiobook An audiobook (or a talking book) is a recording of a book or other work being read out loud. A reading of the complete text is described as "unabridged", while readings of shorter versions are abridgements. Spoken audio has been available in sc ...
s,
database In computing, a database is an organized collection of data stored and accessed electronically. Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage. The design of databases sp ...
s, table games,
video game Video games, also known as computer games, are electronic games that involves interaction with a user interface or input device such as a joystick, controller, keyboard, or motion sensing device to generate visual feedback. This fee ...
s and other formats. Libraries range widely in size, up to millions of items. Libraries often provide quiet areas for studying, and they also often offer common areas to facilitate group study and collaboration. Libraries often provide public facilities for access to their electronic resources and the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
. Public and institutional collections and services may be intended for use by people who choose not to—or cannot afford to—purchase an extensive collection themselves, who need material no individual can reasonably be expected to have, or who require professional assistance with their research. Services offered by a library are variously described as library services, information services, or the combination "library and information services", although different institutions and sources define such terminology differently. Organizations or departments are often called by one of these names.


Organization

Most libraries have materials arranged in a specified order according to a
library classification A library classification is a system of organization of knowledge by which library resources are arranged and ordered systematically. Library classifications are a notational system that represents the order of topics in the classification and al ...
system, so that items may be located quickly and collections may be browsed efficiently. Some libraries have additional galleries beyond the public ones, where reference materials are stored. These reference stacks may be open to selected members of the public. Others require patrons to submit a "stack request", which is a request for an assistant to retrieve the material from the closed stacks: see List of closed stack libraries. Larger libraries are often divided into departments staffed by both paraprofessionals and professional librarians. * Circulation (or Access Services) – Handles user accounts and the loaning/returning and shelving of materials. *
Collection Development Library collection development is the process of systematically building the collection of a particular library to meet the information needs of the library users (a service population) in a timely and economical manner using information resources ...
– Orders materials and maintains materials budgets. * Reference – Staffs a
reference desk The reference desk or information desk of a library is a public service counter where professional librarians provide library users with direction to library materials, advice on library collections and services, and expertise on multiple kinds ...
answering questions from users (using structured
reference interview A reference interview is a conversation between a librarian and a library user, usually at a reference desk, in which the librarian responds to the user's initial explanation of his or her information need by first attempting to clarify that need ...
s), instructing users, and developing library programming. Reference may be further broken down by user groups or materials; common collections are
children's literature Children's literature or juvenile literature includes stories, books, magazines, and poems that are created for children. Modern children's literature is classified in two different ways: genre or the intended age of the reader. Children's ...
,
young adult literature Young adult fiction (YA) is a category of fiction written for readers from 12 to 18 years of age. While the genre is primarily targeted at adolescents, approximately half of YA readers are adults. The subject matter and genres of YA correlate w ...
, and
genealogy Genealogy () is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kins ...
materials. * Electronic Library - Responsible for providing information to users via electronic means * Technical Services – Works behind the scenes cataloging and processing new materials and deaccessioning weeded materials. * Stacks Maintenance – Re-shelves materials that have been returned to the library after patron use and shelves materials that have been processed by Technical Services. Stacks Maintenance also shelf reads the material in the stacks to ensure that it is in the correct library classification order. Basic tasks in
library management Library management is a sub-discipline of institutional management that focuses on specific issues faced by libraries and library management professionals. Library management encompasses normal managerial tasks, as well as intellectual freedom a ...
include the planning of acquisitions (which materials the library should acquire, by purchase or otherwise), library classification of acquired materials, preservation of materials (especially rare and fragile archival materials such as manuscripts), the deaccessioning of materials, patron borrowing of materials, and developing and administering library computer systems. More long-term issues include the planning of the construction of new libraries or extensions to existing ones, and the development and implementation of outreach services and reading-enhancement services (such as adult literacy and children's programming). Library materials like books, magazines, periodicals, CDs, etc. are managed by Dewey Decimal Classification Theory and modified Dewey Decimal Classification Theory is more practical reliable system for library materials management. The
International Organization for Standardization The International Organization for Standardization (ISO ) is an international standard development organization composed of representatives from the national standards organizations of member countries. Membership requirements are given in Ar ...
(ISO) has published several standards regarding the management of libraries through its Technical Committee 46 (TC 46), which is focused on "libraries, documentation and information centers, publishing, archives, records management, museum documentation, indexing and abstracting services, and information science". The following is a partial list of some of them: * ISO 2789:2006 Information and documentation—International library statistics * ISO 11620:1998 Information and documentation—Library performance indicators * ISO 11799:2003 Information and documentation—Document storage requirements for archive and library materials * ISO 14416:2003 Information and documentation—Requirements for binding of books, periodicals, serials, and other paper documents for archive and library use—Methods and materials * ISO/TR 20983:2003 Information and documentation—Performance indicators for electronic library services


Usage

Some patrons may not know how to fully use the library's resources. This can be due to individuals' unease in approaching a staff member. Ways in which a library's content is displayed or accessed may have the most impact on use. An antiquated or clumsy search system, or staff unwilling or untrained to engage their patrons, will limit a library's usefulness. In the public libraries of the United States, beginning in the 19th century, these problems drove the emergence of the
library instruction Library instruction, also called bibliographic instruction, user education and library orientation, consists of "instructional programs designed to teach library users how to locate the information they need quickly and effectively. tusually cover ...
movement, which advocated library user education. One of the early leaders was
John Cotton Dana John Cotton Dana (born August 19, 1856, in Woodstock, Vermont – died July 21, 1929, in Newark, New Jersey) was an American library and museum director who sought to make these cultural institutions relevant to the daily lives of citizens. As ...
. The basic form of library instruction is sometimes known as
information literacy The Association of College & Research Libraries defines information literacy as a "set of integrated abilities encompassing the reflective discovery of information, the understanding of how information is produced and valued and the use of inform ...
. Libraries should inform their users of what materials are available in their collections and how to access that information. Before the computer age, this was accomplished by the card catalogue—a cabinet (or multiple cabinets) containing many drawers filled with index cards that identified books and other materials. In a large library, the card catalogue often filled a large room. The emergence of the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
, however, has led to the adoption of electronic catalogue databases (often referred to as "webcats" or as
online public access catalog The online public access catalog (OPAC), now frequently synonymous with ''library catalog'', is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously u ...
ues, OPACs), which allow users to search the library's holdings from any location with Internet access. This style of catalogue maintenance is compatible with new types of libraries, such as
digital libraries A digital library, also called an online library, an internet library, a digital repository, or a digital collection is an online database of digital objects that can include text, still images, audio, video, digital documents, or other digital m ...
and distributed libraries, as well as older libraries that have been
retrofitted Retrofitting is the addition of new technology or features to older systems. Retrofits can happen for a number of reasons, for example with big capital expenditures like naval vessels, military equipment or manufacturing plants, businesses or go ...
. Large libraries may be scattered within multiple buildings across a town, each having multiple floors, with multiple rooms housing their resources across a series of shelves called bays. Once a user has located a resource within the catalogue, they must then use navigational guidance to retrieve the resource physically, a process that may be assisted through signage, maps,
GPS The Global Positioning System (GPS), originally Navstar GPS, is a Radionavigation-satellite service, satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. It is one of t ...
systems, or
RFID Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects. An RFID system consists of a tiny radio transponder, a radio receiver and transmitter. When triggered by an electromag ...
tagging.
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of B ...
has the highest number of registered book borrowers per capita in the world. Over half of Finland's population are registered borrowers. In the US, public library users have borrowed on average roughly 15 books per user per year from 1856 to 1978. From 1978 to 2004, book circulation per user declined approximately 50%. The growth of audiovisuals circulation, estimated at 25% of total circulation in 2004, accounts for about half of this decline.


Relationship with the Internet

A library may make use of the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
in a number of ways, from creating their own library website to making the contents of its catalogues searchable online. Some specialised search engines such as
Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes p ...
offer a way to facilitate searching for academic resources such as journal articles and research papers. The
Online Computer Library Center OCLC, Inc., doing business as OCLC, See also: is an American nonprofit cooperative organization "that provides shared technology services, original research, and community programs for its membership and the library community at large". It was ...
allows anyone to search the world's largest repository of library records through its
WorldCat WorldCat is a union catalog that itemizes the collections of tens of thousands of institutions (mostly libraries), in many countries, that are current or past members of the OCLC global cooperative. It is operated by OCLC, Inc. Many of the OCL ...
online database. Websites such as
LibraryThing LibraryThing is a social cataloging web application for storing and sharing book catalogs and various types of book metadata. It is used by authors, individuals, libraries, and publishers. Based in Portland, Maine, LibraryThing was developed by ...
and
Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technology c ...
provide abstracts, reviews, and recommendations of books. Libraries provide computers and Internet access to allow people to search for information online. Online information access is particularly attractive to younger library users. Digitization of books, particularly those that are
out-of-print __NOTOC__ An out-of-print (OOP) or out-of-commerce item or work is something that is no longer being published. The term applies to all types of printed matter, visual media, sound recordings, and video recordings. An out-of-print book is a book ...
, in projects such as
Google Books Google Books (previously known as Google Book Search, Google Print, and by its code-name Project Ocean) is a service from Google Inc. that searches the full text of books and magazines that Google has scanned, converted to text using optical c ...
provides resources for library and other online users. Due to their holdings of valuable material, some libraries are important partners for search engines such as
Google Google LLC () is an American multinational technology company focusing on search engine technology, online advertising, cloud computing, computer software, quantum computing, e-commerce, artificial intelligence, and consumer electronics. ...
in realizing the potential of such projects and have received reciprocal benefits in cases where they have negotiated effectively. As the prominence of and reliance on the Internet has grown, library services have moved the emphasis from mainly providing print resources to providing more computers and more
Internet access Internet access is the ability of individuals and organizations to connect to the Internet using computer terminals, computers, and other devices; and to access services such as email and the World Wide Web. Internet access is sold by Internet ...
. Libraries face a number of challenges in adapting to new ways of
information seeking Information seeking is the process or activity of attempting to obtain information in both human and technological contexts. Information seeking is related to, but different from, information retrieval (IR). Compared to information retrieval T ...
that may stress convenience over quality, reducing the priority of
information literacy The Association of College & Research Libraries defines information literacy as a "set of integrated abilities encompassing the reflective discovery of information, the understanding of how information is produced and valued and the use of inform ...
skills. The potential decline in library usage, particularly reference services, puts the necessity for these services in doubt. Library scholars have acknowledged that libraries need to address the ways that they market their services if they are to compete with the Internet and mitigate the risk of losing users. This includes promoting the information literacy skills training considered vital across the library profession. Many US based research librarians rely on the ACRL Framework for Information Literacy in order to guide students and faculty in research. However, marketing of services has to be adequately supported financially in order to be successful. This can be problematic for library services that are publicly funded and find it difficult to justify diverting tight funds to apparently peripheral areas such as branding and marketing. The
privacy Privacy (, ) is the ability of an individual or group to seclude themselves or information about themselves, and thereby express themselves selectively. The domain of privacy partially overlaps with security, which can include the concepts of a ...
aspect of library usage in the Internet age is a matter of growing concern and advocacy; privacy workshops are run by the
Library Freedom Project The Library Freedom Project teaches librarians about surveillance threats, privacy rights, and digital tools to thwart surveillance. In 2015 the Project began an endeavour to place relays and, particularly, exit nodes of the Tor anonymity network ...
which teach librarians about digital tools (such as the
Tor network Tor, short for The Onion Router, is free and open-source software for enabling anonymous communication. It directs Internet traffic through a free, worldwide, volunteer overlay network, consisting of more than seven thousand relays, to conc ...
) to thwart mass surveillance.


Librarians

Libraries are usually staffed by a combination of professionally-trained librarians, paraprofessional staff sometimes called
library technician A library technician or library assistant is a skilled library and information paraprofessional trained to perform the day-to-day functions of a library, and assists librarians in the acquisition, preparation, and organization of information. They a ...
s, and support staff. Some topics related to the education of librarians and allied staff include accessibility of the collection, acquisition of materials, arrangement and finding tools, the book trade, the influence of the physical properties of the different writing materials, language distribution, role in education, rates of literacy, budgets, staffing, libraries for specially targeted audiences, architectural merit, patterns of usage, the role of libraries in a nation's cultural heritage, and the role of government, church or private sponsorship. Since the 1960s, issues of computerization and digitization have arisen.


Types

Many institutions make a distinction between a circulating or
lending library A lending library is a library from which books and other media are lent out. The major classifications are endowed libraries, institutional libraries (the most diverse), public libraries, and subscription libraries. It may also refer to a library ...
, where materials are expected and intended to be loaned to patrons, institutions, or other libraries, and a reference library where material is not lent out. Travelling libraries, such as the early horseback libraries of eastern Kentucky and
bookmobiles A bookmobile or mobile library is a vehicle designed for use as a library. They have been known by many names throughout history, including traveling library, library wagon, book wagon, book truck, library-on-wheels, and book auto service. Bookm ...
, are generally of the lending type. Modern libraries are often a mixture of both, containing a general collection for circulation, and a reference collection which is restricted to the library premises. Also, increasingly, digital collections enable broader access to material that may not circulate in print, and enables libraries to expand their collections even without building a larger facility. Lamba (2019) reinforced this idea by observing that "today's libraries have become increasingly multi-disciplinary, collaborative and networked" and that applying
Web 2.0 Web 2.0 (also known as participative (or participatory) web and social web) refers to websites that emphasize user-generated content, ease of use, participatory culture and interoperability (i.e., compatibility with other products, systems, and ...
tools to libraries would "not only connect the users with their community and enhance communication but will also help the librarians to promote their library's activities, services, and products to target both their actual and potential users".


Academic libraries

Academic libraries An academic library is a library that is attached to a higher education institution and serves two complementary purposes: to support the curriculum and the research of the university faculty and students. It is unknown how many academic librar ...
are generally located on college and university campuses and primarily serve the students and faculty of that and other academic institutions. Some academic libraries, especially those at public institutions, are accessible to members of the general public in whole or in part. Library services are sometimes extended to the general public at a fee, some academic libraries create such services in order to enhance literacy levels in their communities. Academic libraries are libraries that are hosted in post-secondary educational institutions, such as colleges and universities. Their main functions are to provide support in research, consultancy and resource linkage for students and faculty of the educational institution. Academic libraries house current, reliable and relevant information resources spread through all the disciplines which serve to assuage the information requirements of students and faculty. In cases where not all books are housed some libraries have E-resources, where they subscribe for a given institution they are serving, in order to provide backups and additional information that is not practical to have available as hard copies. Furthermore, most libraries collaborate with other libraries in exchange of books. Specific course-related resources are usually provided by the library, such as copies of textbooks and article readings held on 'reserve' (meaning that they are loaned out only on a short-term basis, usually a matter of hours). Some academic libraries provide resources not usually associated with libraries, such as the ability to check out laptop computers, web cameras, or scientific calculators. Academic libraries offer workshops and courses outside of formal, graded coursework, which are meant to provide students with the tools necessary to succeed in their programs. These workshops may include help with citations, effective search techniques, journal databases, and electronic citation software. These workshops provide students with skills that can help them achieve success in their academic careers (and often, in their future occupations), which they may not learn inside the classroom. The academic library provides a quiet study space for students on campus; it may also provide group study space, such as meeting rooms. In North America, Europe, and other parts of the world, academic libraries are becoming increasingly digitally oriented. The library provides a "gateway" for students and researchers to access various resources, both print/physical and digital. Academic institutions are subscribing to electronic journals databases, providing research and scholarly writing software, and usually provide computer workstations or computer labs for students to access journals, library search databases and portals, institutional electronic resources, Internet access, and course- or task-related software (i.e. word processing and spreadsheet software). Some academic libraries take on new roles, for instance, acting as an electronic repository for institutional scholarly research and academic knowledge, such as the collection and curation of digital copies of students' theses and dissertations. Moreover, academic libraries are increasingly acting as publishers on their own on a not-for-profit basis, especially in the form of fully
Open Access Open access (OA) is a set of principles and a range of practices through which research outputs are distributed online, free of access charges or other barriers. With open access strictly defined (according to the 2001 definition), or libre op ...
institutional publishers.


Children's libraries

Children's libraries are special collections of books intended for juvenile readers and usually kept in separate rooms of general public libraries. Some children's libraries have entire floors or wings dedicated to them in bigger libraries while smaller ones may have a separate room or area for children. They are an educational agency seeking to acquaint the young with the world's literature and to cultivate a love for reading. Their work supplements that of the public schools. Services commonly provided by public libraries may include storytelling sessions for infants, toddlers, preschool children, or after-school programs, all with an intention of developing early literacy skills and a love of books. One of the most popular programs offered in public libraries are summer reading programs for children, families, and adults. Another popular reading program for children is PAWS TO READ or similar programs where children can read to certified therapy dogs. Since animals are a calming influence and there is no judgment, children learn confidence and a love of reading. Many states have these types of programs: parents need simply ask their librarian to see if it is available at their local library.


National libraries

A national or state library serves as a national repository of information, and has the right of
legal deposit Legal deposit is a legal requirement that a person or group submit copies of their publications to a repository, usually a library. The number of copies required varies from country to country. Typically, the national library is the primary reposi ...
, which is a legal requirement that publishers in the country need to deposit a copy of each publication with the library. Unlike a public library, a national library rarely allows citizens to borrow books. Often, their collections include numerous rare, valuable, or significant works. There are wider definitions of a national library, putting less emphasis on the
repository Repository may refer to: Archives and online databases * Content repository, a database with an associated set of data management tools, allowing application-independent access to the content * Disciplinary repository (or subject repository), an ...
character. The first national libraries had their origins in the royal collections of the sovereign or some other supreme body of the state. Many national libraries cooperate within the National Libraries Section of the
International Federation of Library Associations and Institutions The International Federation of Library Associations and Institutions (IFLA) is the leading international body representing the interests of people who rely on libraries and information professionals. An independent, non-governmental, not-for-p ...
(IFLA) to discuss their common tasks, define and promote common standards, and carry out projects helping them to fulfill their duties. The national libraries of Europe participate in
The European Library The European Library is an Internet service that allows access to the resources of 49 European national libraries and an increasing number of research libraries. Searching is free and delivers metadata records as well as digital objects, mostly ...
which is a service of the Conference of European National Librarians (CENL).


Public lending libraries

A public library provides services to the general public. If the library is part of a countywide library system, citizens with an active library card from around that county can use the library branches associated with the library system. A library can serve only their city, however, if they are not a member of the county public library system. Much of the materials located within a public library are available for borrowing. The library staff decides upon the number of items patrons are allowed to borrow, as well as the details of borrowing time allotted. Typically, libraries issue
library card A library card can refer to several cards traditionally used for the management of books and patrons in a library. In its most common use, a library card serves similar functions as a corporate membership card. A person who holds a library card ...
s to community members wishing to borrow books. Often visitors to a city are able to obtain a public library card. Many public libraries also serve as community organizations that provide free services and events to the public, such as reading groups and toddler story time. For many communities, the library is a source of connection to a vast world, obtainable knowledge and understanding, and entertainment. According to a study by the
Pennsylvania Library Association The Pennsylvania Library Association (PaLA) is the professional association for librarians in the U.S. state of Pennsylvania. It represents about 2,000 members affiliated with public, academic, special, and school libraries throughout the state, ...
, public library services play a major role in fighting rising illiteracy rates among youths. Public libraries are protected and funded by the public they serve. As the number of books in libraries have steadily increased since their inception, the need for compact storage and access with adequate lighting has grown. The '' stack system'' involves keeping a library's collection of books in a space separate from the reading room. This arrangement arose in the 19th century. Book stacks quickly evolved into a fairly standard form in which the cast iron and steel frameworks supporting the bookshelves also supported the floors, which often were built of translucent blocks to permit the passage of light (but were not transparent, for reasons of modesty). The introduction of
electric lights An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually have a base made of ceramic, metal, glass, or plastic, which secures the lamp in the soc ...
had a huge impact on lighting in libraries. The use of glass floors was largely discontinued, though floors were still often composed of metal grating to allow air to circulate in multi-story stacks. As more space was needed, a method of moving shelves on tracks (compact shelving) was introduced to cut down on otherwise wasted aisle space.
Library 2.0 Library 2.0 is a proposed concept for library services that facilitate user contributions and other features of Web 2.0, which includes online services such as OPAC systems. The concept is based on Radical Trust, and proponents suggest it will e ...
, a term coined in 2005, is the library's response to the challenge of Google and an attempt to meet the changing needs of users by using
Web 2.0 Web 2.0 (also known as participative (or participatory) web and social web) refers to websites that emphasize user-generated content, ease of use, participatory culture and interoperability (i.e., compatibility with other products, systems, and ...
technology. Some of the aspects of Library 2.0 include, commenting, tagging, bookmarking, discussions, use of online social networks by libraries, plug-ins, and widgets. Inspired by Web 2.0, it is an attempt to make the library a more user-driven institution. Despite the importance ascribed to public libraries, their budgets are often cut by legislatures. In some cases, funding has dwindled so much that libraries have been forced to cut their hours and release employees.


Reference libraries

A reference library does not lend books and other items; instead, they can only be read at the library itself. Typically, such libraries are used for research purposes, for example at a university. Some items at reference libraries may be historical and even unique. Many lending libraries contain a "reference section", which holds books, such as dictionaries, which are common reference books, and are therefore not lent out. Such reference sections may be referred to as "reading rooms", which may also include newspapers and periodicals. An example of a reading room is the Hazel H. Ransom Reading Room at the
Harry Ransom Center The Harry Ransom Center (until 1983 the Humanities Research Center) is an archive, library and museum at the University of Texas at Austin, specializing in the collection of literary and cultural artifacts from the Americas and Europe for the pur ...
of the
University of Texas at Austin The University of Texas at Austin (UT Austin, UT, or Texas) is a public research university in Austin, Texas. It was founded in 1883 and is the oldest institution in the University of Texas System. With 40,916 undergraduate students, 11,075 ...
, which maintains the papers of literary agent Audrey Wood.


Research libraries

A research library is a collection of materials on one or more subjects. A research library supports scholarly or scientific research and will generally include primary as well as
secondary source In Scholarly method, scholarship, a secondary sourcePrimary, secondary and tertiary ...
s; it will maintain permanent collections and attempt to provide access to all necessary materials. A research library is most often an
academic An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of secondary education, secondary or tertiary education, tertiary higher education, higher learning (and generally also research or honorary membershi ...
or
national library A national library is a library established by a government as a country's preeminent repository of information. Unlike public libraries, these rarely allow citizens to borrow books. Often, they include numerous rare, valuable, or significant wo ...
, but a large special library may have a research library within its special field, and a very few of the largest public libraries also serve as research libraries. A large university library may be considered a research library; and in North America, such libraries may belong to the
Association of Research Libraries The Association of Research Libraries (ARL) is a nonprofit organization of 127 research libraries at comprehensive, research institutions in Canada and the United States. ARL member libraries make up a large portion of the academic and resea ...
. In the United Kingdom, they may be members of Research Libraries UK (RLUK). A research library can be either a reference library, which does not lend its holdings, or a lending library, which does lend all or some of its holdings. Some extremely large or traditional research libraries are entirely reference in this sense, lending none of their materials; most academic research libraries, at least in the US and the UK, now lend books, but not periodicals or other materials. Many research libraries are attached to a parental organization and serve only members of that organization. Examples of research libraries include the
British Library The British Library is the national library of the United Kingdom and is one of the largest libraries in the world. It is estimated to contain between 170 and 200 million items from many countries. As a legal deposit library, the British ...
, the
Bodleian Library The Bodleian Library () is the main research library of the University of Oxford, and is one of the oldest libraries in Europe. It derives its name from its founder, Sir Thomas Bodley. With over 13 million printed items, it is the second- ...
at
Oxford University Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...
and the
New York Public Library Main Branch The Stephen A. Schwarzman Building, commonly known as the Main Branch, 42nd Street Library or the New York Public Library, is the flagship building in the New York Public Library system in the Midtown Manhattan neighborhood of New York City. ...
on 42nd Street in Manhattan, State Public Scientific Technological Library of the Siberian Branch of the Russian Academy of Science.


Digital libraries

Digital libraries are libraries that house digital resources. They are defined as an organization and not a service that provide access to digital works, have a preservation responsibility to provide future access to materials, and provides these items easily and affordably. The definition of a digital library implies that "a digital library uses a variety of software, networking technologies and standards to facilitate access to digital content and data to a designated user community." Access to digital libraries can be influenced by several factors, either individually or together. The most common factors that influence access are: The library's content, the characteristics and information needs of the target users, the library's digital interface, the goals and objectives of the library's organizational structure, and the standards and regulations that govern library use. Access will depend on the users ability to discover and retrieve documents that interest them and that they require, which in turn is a preservation question. Digital objects cannot be preserved passively, they must be curated by digital librarians to ensure the trust and integrity of the digital objects. One of the biggest considerations for digital librarians is the need to provide long-term access to their resources; to do this, there are two issues requiring watchfulness: Media failure and format obsolescence. With media failure, a particular digital item is unusable because of some sort of error or problem. A scratched CD-ROM, for example, will not display its contents correctly, but another, unscratched disk will not have that problem. Format obsolescence is when a digital format has been superseded by newer technology, and so items in the old format are unreadable and unusable. Dealing with media failure is a reactive process, because something is done only when a problem presents itself. In contrast, format obsolescence is preparatory, because changes are anticipated and solutions are sought before there is a problem. Future trends in digital preservation include: Transparent enterprise models for digital preservation, launch of self-preserving objects, increased flexibility in digital preservation architectures, clearly defined metrics for comparing preservation tools, and terminology and standards interoperability in real time.


Special libraries

Many private businesses and public organizations, including hospitals, churches, museums, research laboratories, law firms, and many government departments and agencies, maintain their own libraries for the use of their employees in doing specialized research related to their work. Depending on the particular institution, special libraries may or may not be accessible to the general public or elements thereof. In more specialized institutions such as law firms and research laboratories, librarians employed in special libraries are commonly specialists in the institution's field rather than generally trained librarians, and often are not required to have advanced degrees in a specifically library-related field due to the specialized content and clientele of the library. Special libraries can also include women's libraries or LGBTQ libraries, which serve the needs of women and the LGBTQ community.
Libraries and the LGBTQ community In the post- Stonewall era, the role of libraries in providing information and services to LGBTQ individuals has been a topic of discussion among library professionals. Libraries can often play an important role for LGBTQ individuals looking to ...
have an extensive history, and there are currently many libraries, archives, and special collections devoted to preserving and helping the LGBTQ community. Women's libraries, such as the Vancouver Women's Library or the Women's Library @LSE are examples of women's libraries that offer services to women and girls and focus on women's history. Some special libraries, such as governmental law libraries, hospital libraries, and military base libraries commonly are open to public visitors to the institution in question. Depending on the particular library and the clientele it serves, special libraries may offer services similar to research, reference, public, academic, or children's libraries, often with restrictions such as only lending books to patients at a hospital or restricting the public from parts of a military collection. Given the highly individual nature of special libraries, visitors to a special library are often advised to check what services and restrictions apply at that particular library. Special libraries are distinguished from special collections, which are branches or parts of a library intended for rare books, manuscripts, and other special materials, though some special libraries have special collections of their own, typically related to the library's specialized subject area. For more information on specific types of special libraries, see
law libraries A law library is a special library used by law students, lawyers, judges and their law clerks, historians and other scholars of legal history in order to research the law. Law libraries are also used by people who draft or advocate for ne ...
,
medical libraries A health or medical library is designed to assist physicians, health professionals, students, patients, consumers, medical researchers, and information specialists in finding health and scientific information to improve, update, assess, or eva ...
,
music libraries A music library contains music-related materials for patron use. Collections may also include non-print materials, such as digitized music scores or audio recordings. Use of such materials may be limited to specific patron groups, especially in p ...
, or
transportation libraries A transportation library is a type of library designed to support the study, research, and dissemination of information related to transportation. A transportation library provides resources related to policy, regulations, operations, and other as ...
.


Digital libraries

In the 21st century, there has been increasing use of the Internet to gather and retrieve data. The shift to digital libraries has greatly impacted the way people use physical libraries. Between 2002 and 2004, the average American academic library saw the overall number of transactions decline approximately 2.2%. Libraries are trying to keep up with the digital world and the new generation of students that are used to having information just one click away. For example, the University of California Library System saw a 54% decline in circulation between 1991 and 2001 of 8,377,000 books to 3,832,000. These facts might be a consequence of the increased availability of e-resources. In 1999–2000, 105 ARL university libraries spent almost $100 million on electronic resources, which is an increase of nearly $23 million from the previous year. A 2003 report by the Open E-book Forum found that close to a million e-books had been sold in 2002, generating nearly $8 million in revenue. Another example of the shift to digital libraries can be seen in
Cushing Academy Cushing Academy is a private, coeducational college-preparatory school for boarding and day students in Ashburnham, Massachusetts, United States. It serves approximately 400 students in grades 9–12 and a postgraduate year. History Cushing ...
's decision to dispense with its library of printed books—more than 20,000 volumes in all—and switch over entirely to digital media resources. A 2001 discussion paper exploring changing use of libraries reported decreased library usage by undergraduate students, who had become more used to retrieving information from the Internet than a traditional library. Finding information by simply searching the Internet is seen as easier and faster than reading an entire book. In a survey conducted by
NetLibrary EBSCO Information Services, headquartered in Ipswich, Massachusetts, is a division of EBSCO Industries, EBSCO Industries Inc., a private company headquartered in Birmingham, Alabama. EBSCO provides products and services to libraries of very many ...
, 93% of undergraduate students said that finding information online made more sense to them than going to the library. Three-quarters said they did not have enough time to go to the library. While the retrieving information from the Internet may be efficient and time-saving than visiting a traditional library, research showed that undergraduates are most likely searching only .03% of the entire web. In the mid-2000s, Swedish company Distec invented a library book vending machine known as the
GoLibrary GoLibrary or Library-a-Go-Go (Swedish: ''Bokomaten'') is a book lending vending machine used by libraries in Sweden and the U.S. state of California.
, that offers library books to people where there is no branch, limited hours, or high traffic locations such as El Cerrito del Norte BART station in
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
.


Associations

The
International Federation of Library Associations and Institutions The International Federation of Library Associations and Institutions (IFLA) is the leading international body representing the interests of people who rely on libraries and information professionals. An independent, non-governmental, not-for-p ...
(IFLA) is the leading international association of library organizations. It is the global voice of the library and information profession, and its annual conference provides a venue for librarians to learn from one another. Library associations in Asia include the
Indian Library Association The Indian Library Association (ILA) was established on September 13, 1933 Registered under the societies Registration Act (XXI of 1860), on the occasion of the First All India Library Conference held at Calcutta (now Kolkata). The ILA is the large ...
(ILA), Indian Association of Special Libraries and Information Centers (IASLIC), Bengal Library Association (BLA), Kolkata,
Pakistan Library Association The Pakistan Library Association (PLA) is a representative national body of librarians in Pakistan. It was formed in Karachi in March 1957. It is responsible for looking after the interests of the professional librarians who work for the developm ...
, the Pakistan Librarians Welfare Organization, the Bangladesh Association of Librarians, Information Scientists and Documentalists, the Library Association of Bangladesh, and the Sri Lanka Library Association (founded 1960). National associations of the English-speaking world include the
American Library Association The American Library Association (ALA) is a nonprofit organization based in the United States that promotes libraries and library education internationally. It is the oldest and largest library association in the world, with 49,727 members a ...
, the
Australian Library and Information Association The Australian Library and Information Association (ALIA), formerly the Australian Institute of Librarians and Library Association of Australia, is the peak professional organisation for the Australian library and information services sector. ...
, the
Canadian Library Association The Canadian Library Association (CLA) was a national, predominantly English-language association which represented 57,000 library workers across Canada. It also spoke for the interests of the 21 million Canadians who are members of libraries. C ...
, the
Library and Information Association of New Zealand Aotearoa The New Zealand Library Association Inc., operating as LIANZA (Library and Information Association of New Zealand Aotearoa), is the professional organisation for library and information workers in New Zealand, and also promotes library and info ...
, and the
Research Libraries UK Research Libraries UK (RLUK) (formerly CURL) comprises 32 university libraries, 3 national libraries, and the Wellcome Collection in the United Kingdom and Ireland. Its aim is to increase the ability of research libraries to share resources among ...
(a consortium of 30 university and other research libraries in the United Kingdom). Library bodies such as
CILIP The Chartered Institute of Library and Information Professionals, since 2017 branded CILIP: The library and information association (pronounced ), is a professional body for librarians, information specialists and knowledge managers in the ...
(formerly the Library Association, founded 1877) may advocate the role that libraries and librarians can play in a modern Internet environment, and in the teaching of
information literacy The Association of College & Research Libraries defines information literacy as a "set of integrated abilities encompassing the reflective discovery of information, the understanding of how information is produced and valued and the use of inform ...
skills. The
Nigerian Library Association Nigerian Library Association (NLA) is the recognized group or organization for librarians working in Nigeria. Its headquarters is in Abuja in the Federal Capital Territory. It was established in 1962 in Ibadan. It was birth from West African Libr ...
is the recognized group for librarians working in Nigeria. It was established in 1962 in Ibadan. Public library advocacy is support given to a public library for its financial and philosophical goals or needs. Most often this takes the form of monetary or material donations or campaigning to the institutions which oversee the library, sometimes by advocacy groups such as
Friends of Libraries Friends of Libraries (also Friends of the Library and may be shortened to Friends) are non-profit, charitable groups formed to support libraries in their communities. Support from the Friends groups may be financial, political and cultural. Group ...
and community members. Originally, library advocacy was centered on the library itself, but current trends show libraries positioning themselves to demonstrate they provide "economic value to the community" in means that are not directly related to the checking out of books and other media.


Protection

Libraries are considered part of the cultural heritage and are one of the primary objectives in many state and domestic conflicts and are at risk of destruction and looting. Financing is often carried out by robbing valuable library items. National and international coordination regarding military and civil structures for the protection of libraries is operated by Blue Shield International and
UNESCO The United Nations Educational, Scientific and Cultural Organization is a specialized agency of the United Nations (UN) aimed at promoting world peace and security through international cooperation in education, arts, sciences and culture. It ...
. From an international perspective, despite the partial dissolution of state structures and very unclear security situations as a result of the wars and unrest, robust undertakings to protect libraries are being carried out. The topic is also the creation of "no-strike lists", in which the coordinates of important cultural monuments such as libraries have been preserved.Eden Stiffman: ''Cultural Preservation in Disasters, War Zones. Presents Big Challenges.'' In: ''The Chronicle of Philanthropy.'' 11 May 2015.


See also

*
Document management system A document management system (DMS) is usually a computerized system used to store, share, track and manage files or documents. Some systems include history tracking where a log of the various versions created and modified by different users is r ...
* Libraries in fiction * Library anxiety *
Library portal A library portal is an interface to access library resources and services through a single access and management point for users: for example, by combining the circulation and catalog functions of an integrated library system (ILS) with additional t ...
*
Trends in library usage With over 17,000 libraries and 2.5 billion materials circulated annually in the United States alone, libraries are a ubiquitous part of the American landscape. However, as libraries modernize, they face an increasingly harsh budget environment, as ...
*
List of libraries This is an alphabetical list of notable libraries around the world. It includes both notable public lending libraries and research libraries. Alphabetical A * Advocates' Library, Edinburgh, Scotland * African Heritage Research Library and Cu ...


References


Further reading

* Barnard, T.D.F. (ed.) (1967). ''Library Buildings: design and fulfilment; papers read at the Week-end Conference of the London and Home Counties Branch of the Library Association, held at Hastings, 21–23 April 1967''. London: Library Association (London and Home Counties Branch) * Belanger, Terry. ''Lunacy & the Arrangement of Books'', New Castle, Del.: Oak Knoll Books, 1983; 3rd ptg 2003, * Bieri, Susanne & Fuchs, Walther (2001). ''Bibliotheken bauen: Tradition und Vision = Building for Books: traditions and visions''. Basel: Birkhäuser *Buschman, John.(2022). “Of Architects and Libraries: A Simple Discourse Analysis.” ''The Library Quarterly'' (Chicago) 92.3: 296–310. * Copeland, Andrea J. (2015)
Libraries
'', International Encyclopedia of the Social & Behavioral Sciences (Second Edition). * Ellsworth, Ralph E. (1973). ''Academic Library Buildings: a guide to architectural issues and solutions''. 530 pp. Boulder: Associated University Press * Fraley, Ruth A. & Anderson, Carol Lee (1985). ''Library Space Planning: how to assess, allocate, and reorganize collections, resources, and physical facilities''. New York: Neal-Schuman Publishers * * Irwin, Raymond (1947). ''The National Library Service f the United Kingdom'. London: Grafton & Co. x, 96 p. * Lewanski, Richard C. (1967). ''Library Directories ndLibrary Science Dictionaries'', in ''Bibliography and Reference Series'', no. 4. 1967 ed. Santa Barbara, Calif.: Clio Press. ''N.B''.: Publisher also named as the "American Bibliographical Center". *
Robert K. Logan __NOTOC__ Robert K. Logan (born August 31, 1939), originally trained as a physicist, is a media ecologist. Career He received from MIT a BS in 1961 and a PhD in 1965 under the supervision of Francis E. Low. After two post-doctoral appointments ...
with Marshall McLuhan. ''The Future of the Library: From Electric Media to Digital Media. New York: Peter Lang Publishing. * Mason, Ellsworth (1980). ''Mason on Library Buildings''. Metuchen, NJ: Scarecrow Press * Monypenny, Phillip, and Guy Garrison (1966). ''The Library Functions of the States .e. the US Commentary on the Survey of Library Functions of the States'', nder the auspices of theSurvey and Standard Committee f theAmerican Association of State Libraries. Chicago: American Library Association. xiii, 178 p. * * Orr, J.M. (1975). ''Designing Library Buildings for Activity''; 2nd ed. London: Andre Deutsch * * Thompson, Godfrey (1973). ''Planning and Design of Library Buildings''. London: Architectural Press


External links

*
LIBweb
Directory of library servers in 146 countries via WWW
Centre for the History of the Book
hss.ed.ac.uk
Libraries: Frequently Asked Questions
ibiblio.org {{subject bar, portal1=, wikt=yes, commons=yes, commons-search=Library, q=yes, b=yes, d=yes, d-search=Q7075 Library science Book promotion