The Routledge Encyclopedia of Philosophy is an encyclopedia

Encyclopedia

An encyclopedia is a type of reference work, a compendium holding a summary of information from either all branches of knowledge or a particular branch of knowledge....

 of philosophy

Philosophy

Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

 edited by Edward Craig that was first published by Routledge

Routledge

Routledge is a British publishing house which has operated under a succession of company names and latterly as an academic imprint. Its origins may be traced back to the 19th-century London bookseller George Routledge...

 in 1998 (ISBN 978-0415073103). Originally published in both 10 volumes of print and as a CD-ROM

CD-ROM

A CD-ROM is a pre-pressed compact disc that contains data accessible to, but not writable by, a computer for data storage and music playback. The 1985 “Yellow Book” standard developed by Sony and Philips adapted the format to hold any form of binary data....

, in 2002 it was made available online

ONLINE

ONLINE is a magazine for information systems first published in 1977. The publisher Online, Inc. was founded the year before. In May 2002, Information Today, Inc. acquired the assets of Online Inc....

 on a subscription

Subscription business model

The subscription business model is a business model where a customer must pay a subscription price to have access to the product/service. The model was pioneered by magazines and newspapers, but is now used by many businesses and websites....

basis. The online version is regularly updated with new articles and revisions to existing articles. It has 1,300 contributors providing over 2,000 scholarly articles.

Single-volume editions

Two single-volume editions of the encyclopedia have been published, The Concise Routledge Encyclopedia of Philosophy, first published in 1999 (ISBN 978-0415223645), and The Shorter Routledge Encyclopedia of Philosophy, first published in 2005 (ISBN 978-0415324953). The Concise version has the same number of entries as the ten-volume set, each entry in the Concise version being the summary of the topic that precedes each article in the 10-volume work. The Shorter version has over 900 articles, each with more in depth coverage than the corresponding entry (if present) in the Concise encyclopedia.