This article lists encyclopedias, including projects to create new works.

General

Printed works

• Allgemeine Encyclopädie der Wissenschaften und Künste: very large 19th-century German encyclopaedia by Ersch and Gruber.
• The Americana: published by Scientific American in the early 1900s.
• Brockhaus: German encyclopedia
• The Children's Encyclopedia, by Arthur Mee.
• Collier's Encyclopedia
• Columbia Encyclopedia: a one-volume encyclopedia from Columbia University Press .
• Compton's Encyclopedia: 26 volume encyclopedia
• Enciclopedia universal ilustrada europeo-americana: 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.
• A Military Encyclopedia
• Funk and Wagnalls
• Gran Enciclopedia Planeta , 20 volume, DVD & on-line Spanish encyclopedia, 2004
• 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 vollständiges Universal-Lexicon: huge 18th-century German encyclopedia by Johann Heinrich Zedler.
• Gujin tushu jicheng: 10,000 volume Chinese encyclopedia completed in 1725
• Harper's Encyclopedia of United States History From 458 to 1905: Harper & Brothers
• Meyers Konversations-Lexikon
• Nationalencyklopedin: encyclopedia in Swedish
• New American Desk Encyclopedia : Small paperback encyclopedia last published in 1997.
• 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.
• Wielka Encyklopedia Powszechna PWN, 13 volumes, 1962-1970, the largest so far (a still larger one is currently being written) Polish encyclopedia
• World Book: designed for family use, World Book claims to be the world's best selling print encyclopedia
• Gran Enciclopedia Planeta in Spanish
• Enciclopedia universal ilustrada europeo-americana, in Spanish. Also known as Encicplopedia Espasa o Enciclopedia Espasa-Calpe
• Enciclopedia Salvat in Spanish
• Enciclopedia Labor in Spanish
• Enciclopedia Libre Universal también conocidoa como Enciclopedia Libre in Spanish
• Enciclopedia Encarta in Spanish
• Diccionario Enciclopédico Espasa in Spanish
• Nueva enciclopedia Durvan in Spanish
• Enciklopedija Slovenije in Slovenian language

On CD-ROM, DVD-ROM and/or a website

• Compton's Interactive Encyclopedia: only available in electronic form.
• Encyclopædia Britannica. See also the 1911 Encyclopedia Britannica.
• AllRefer.com: Columbia Encyclopedia
• Gran Enciclopedia Planeta , Spanish, 2004
• Microsoft Encarta: published by Microsoft. It is only available in electronic form.
• Micronet Universal: Spanish only.
• Wikipedia: a project to create a comprehensive encyclopedia using wiki software, licensed under the GNU Free Documentation License.
• World Book

Website only

• Enciclopedia Libre: project to create a Spanish encyclopedia using wiki software. Released under the GNU Free Documentation License.
• Encyclopedia of Life Sciences
• 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.
• Nupedia: a peer reviewed, open content encyclopedia project, currently inactive.
• 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: although based structurally on Wikipedia, it is not a Wikimedia project.

Specialized

Canadian Encyclopedias

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

Iranian Encyclopedias

• Encyclopædia Iranica: on Iranian peoples and Iran (Persia)
• The Persian Encyclopedia (دایرةالمعارف فارسی): a three volume Persian encyclopedia edited by Gholamhossein Mosahab, partially based on the early editions of the Columbia Encyclopedia
• Encyclopaedia of Iran and Islam published in Persian in Tehran
• Encyclopaedia of Persian Language and Literature published by the Academy of Persian Language and Literature in Persian in Tehran
• The Encyclopedia of Iranian Old Music: Published in Tehran, 2000.

Jewish Encyclopedias

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

Other

• The American Horticultural Society A-Z Encyclopedia of Garden Plants : a comprehensive illustrated work on garden plants.
• American Horticultural Society Encyclopedia of Plants and Flowers
• American Medical Association Complete Medical Encyclopedia
• Appleton's Cyclopedia of American Biography: 19th century Americans
• , 2004
• Benet's Reader's Encyclopedia
• The Cambridge History of English and American Literature
• Catholic Encyclopedia
• Children's Encyclopedia of American History
• The Complete Encyclopedia of World Aircraft : 1997, one large volume
• Donna Kooler's Encyclopedia of Crochet
• Encyclopedia Astronautica: an reference website maintained by space-travel enthusiast Mark Wade.
• An Encyclopedia of Battles : comprehensive accounting of battles and wars throughout history.
• Encyclopedia of Counseling
• Encyclopedia of Marxism: an online encyclopedia released under the GNU Free Documentation License, part of the Marxist Internet Archive .
• Encyclopedia of Natural Medicine
• Encyclopedia of Mormonism
• Encyclopedia of New Jersey
• Encyclopedia of Nutritional Supplements
• An Encyclopaedia of Occultism: 1920 work on occultism
• The Encyclopedia of Science Fiction, First edition 1979, second edition (April 1993), by John Clute and Peter Nicholls
• The Encyclopedia of Window Fashions
• An Encyclopedia of World History : a one-volume work from 1940
• Encyclopedia of World Problems and Human Potential published since 1972 by the Union of International Associations (UIA). Previously published in three book volumes and on CD-ROM; now published and developed online here.
• Encyclopedia Titanica [1]; Exhaustive information about the sinking of RMS Titanic
• The Film Encyclopedia
• The Kingfisher History Encyclopedia
• The Literary Encyclopedia, online, started in 2000
• The London Encyclopaedia 1007 page reference of the city of London, pub. 1983
• The New Encyclopedia of Modern Bodybuilding
• 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.
• New Handbook of Texas
• Oxford Classical Dictionary: Despite the name, a one-volume encyclopedia for antiquity.
• Realencyclopädie der classischen Altertumswissenschaft: Pauly-Wissowa (Eds.) (1894-1980; specialising in classical antiquity).
• The Rocklopedia Fakebandica by T. Mike Childs, pub. 2004
• , 2004, by David Neft et al
• Stanford Encyclopedia of Philosophy (ongoing since 1995)
• The Star Trek Encyclopedia
• Te Ara Encyclopedia of New Zealand - online
• Total Baseball, The Ultimate Baseball Encyclopedia , 2004, by John Thorn et al
• Total Tennis, The Ultimate Tennis Encyclopedia , 2003, by Bud Collins
• The Woman's Encyclopedia of Myths and Secrets

See also: List of digital library projects