Doublures are ornamental linings on the inside of a book. Doublures are protected from wear, compared to the outside of a book, and thus offer

bookbinder Bookbinding is the process of physically assembling a book of codex format from an ordered stack of ''signatures'', sheets of paper folded together into sections that are bound, along one edge, with a thick needle and strong thread. Cheaper, ...

s scope for elaborate decoration. The 15th-century Islamic doublures strongly influenced the doublures in Western Europe. The term ''doublure'' is of French origin. Tooled doublures are found in French bookbinding of the seventeenth century: in particular, they are associated with the books of the

Jansenist Jansenism was an early modern theological movement within Catholicism, primarily active in the Kingdom of France, that emphasized original sin, human depravity, the necessity of divine grace, and predestination. It was declared a heresy by th ...

sect, which were extremely simple on the outside, while they had gilding on the doublure. One of the bookbinders known for his Jansenist-style bindings was Luc-Antoine Boyet, binder to

Louis XIV , house = Bourbon , father = Louis XIII , mother = Anne of Austria , birth_date = , birth_place = Château de Saint-Germain-en-Laye, Saint-Germain-en-Laye, France , death_date = , death_place = Palace of Ver ...

. The term Jansenist is also applied to bindings in this style of a much later date. The British bookbinder G.T. Bagguley patented a process for tooling in colours called the "Sutherland binding" which was principally employed on doublures.The British Library has, for example, a copy of ''

The Glittering Plain ''The Story of the Glittering Plain'' (full title: ''The Story of the Glittering Plain which has been also called the Land of Living Men or the Acre of the Undying'') is an 1891 fantasy novel by William Morris, perhaps the first modern fantasy w ...

'' from Bagguley's bindery with

vellum Vellum is prepared animal skin or membrane, typically used as writing material. Parchment is another term for this material, from which vellum is sometimes distinguished, when it is made from calfskin, as opposed to that made from other anima ...

doublures
(C.69.h.9: BL Catalogue
British Library). Bagguley, who was librarian to the

Duke Duke is a male title either of a monarch ruling over a duchy, or of a member of royalty, or nobility. As rulers, dukes are ranked below emperors, kings, grand princes, grand dukes, and sovereign princes. As royalty or nobility, they are rank ...

and Duchess of Sutherland, named the process after the duchess.

References

{{reflist Bookbinding