This is a list of encyclopedias, including projects to create new works.

Table of contents

1 General 1.1 Printed works 1.2 On CD-ROM, DVD-ROM and/or a website 1.2.1 Website only 2 Specialized 2.3 Canadian Encyclopedias 2.4 Jewish Encyclopedias 2.5 Other

General

• Allgemeine Encyclopädie der Wissenschaften und Künste: very huge 19th-century German encyclopaedia by Ersch and Gruber.
• The Americana: published by Scientific American in the early 1900s.
• Brockhaus: German encyclopedia
• Columbia Encyclopedia: a one-volume encyclopedia from Columbia University Press.
• Collier's Encyclopedia
• Compton's Encyclopedia: 26 volume encyclopedia
• Enciclopedia Espasa: the biggest encyclopedia of its time. In Spanish.
• Encyclopedia Americana: both a print work and currently a part of Grolier Multimedia Encyclopedia
• Encyclopædia Britannica: one of the best-known encyclopedias in the English language. See also the 1911 Encyclopedia Britannica.
• The Children's Encyclopedia, by Arthur Mee.
• Funk and Wagnalls
• Great Soviet Encyclopedia (Большая Советская Энциклопедия): The largest and most comprehensive encyclopedia in Russian. There were 3 editions, 3rd edition of 1969-1978 contains 30 volumes.
• Grolier's Encyclopedia
• Grolier Encyclopedia of Knowledge: 20 volumes of equal length
• Grosses Universal-Lexicon: huge 18th-century German encyclopedia by Johann Heinrich Zedler.
• Meyers Konversations-Lexikon
• Nationalencyklopedin: encyclopedia in Swedish
• Nordisk familjebok: encyclopedia in Swedish
• Oracle Encyclopædia: a five volume encyclopedia published in 1895.
• Otto's encyclopedia: the largest Czech encyclopedia published between 1888-1908 and 1930-1943.
• Pears Cyclopaedia: a one volume encylopaedia published annually in the United Kingdom.
• World Book: designed for family use, World Book claims to be the world's best selling print encyclopedia.

• Encyclopædia Britannica. See also the 1911 Encyclopedia Britannica.
• AllRefer.com: Columbia Encyclopedia
• Compton's Interactive Encyclopedia: only available in electronic form.
• Microsoft Encarta: published by Microsoft. It is only available in electronic form.

• Wikipedia: a project to create a comprehensive encyclopedia using wiki software, licensed under the GNU Free Documentation License.
• Nupedia: a peer reviewed, open content encyclopedia project, currently inactive.
• Enciclopedia Libre: project to create a Spanish encyclopedia using wiki software. Released under the GNU Free Documentation License.
• Open Site: an effort inspired by, but not officially affliated with, the Open Directory Project.
• Probert Encyclopaedia: an online topical encyclopedia consisting of almost 100,000 short entries, published by Mathew Probert and based in the United Kingdom.
• Wikinfo: Wikipedia spin-off.
• EncycloZine: an online encyclopedia of books and knowledge.
• Grolier Multimedia Encyclopedia: an electronic encyclopedia published by Grolier.
• Informationsphere.com: originally founded as an online German language encyclopedia, now in English. Managed by Jan Keller and based in Germany.
• netcyclo: John Anderson's Internet encyclopedia project.

Canadian Encyclopedias

• Canada: An Encyclopedia of the Country - (1898-1900)
• Canada and its Province - (1913-1917)
• The Encyclopedia of Canada - (1935-1937)
• Encyclopedia Canadiana - (1957)
• Encyclopedia of Music in Canada - (1981 and 1992)
• Canadian Encyclopedia - (1985 and 1988)
• The Junior Encyclopedia of Canada - (1989)

• Encyclopedia Judaica: published 1972-1991.
• Jewish Encyclopedia: published 1901-1906. Original full 12 volumes.
• Talmudic Encyclopedia (cf. Talk:List of encyclopedias).

• Appleton's Cyclopedia of American Biography: 19th century Americans
• Catholic Encyclopedia
• The American Horticultural Society A-Z Encyclopedia of Garden Plants: a comprehensive illustrated work on garden plants.
• The Complete Encyclopedia of World Aircraft: 1997, one large volume
• Encyclopedia Astronautica: an reference website maintained by space travel enthusiast Mark Wade.
• An Encyclopedia of Battles: comprehensive accounting of battles and wars throughout history.
• An Encyclopedia of World History: a one-volume work from 1940
• Encyclopedia of Marxism: an online encyclopedia released under the GNU Free Documentation License, part of the Marxist Internet Archive.
• An Encyclopaedia of Occultism: 1920 work on occultism
• Human Knowledge: Foundations and Limits: a memeware reference hypertext with a materialist and futurist perspective.
• Larousse Encyclopedia of Mythology
• Larousse Gastronomique Encyclopedia of food and cooking.
• McGraw-Hill Encyclopedia of Science and Technology: also comes in a one-volume edition.
• MusicBrainz: a project to create a free music encyclopedia, released under the Open Content License. The first goal is to create a database similar to CDDB.
• Oxford Classical Dictionary: Despite the name, a one-volume encyclopedia for antiquity.
• Pauly-Wissowa (Eds.): Realencyclopädie der classischen Altertumswissenschaft (1894-1980; specialized on antiquity).
• The Encyclopedia of Science Fiction, (April 1993) by John Clute and Peter Nicholls
• Stanford Encyclopedia of Philosophy (ongoing since 1995)
• The Star Trek Encyclopedia