- 1902 Encyclopedia
Articles and illustrations from the Encyclopaedia Britannica, 9th Edition (1875) and 10th Edition (1902). Searchable by keyword and browsable by subject index.
www.1902encyclopedia.com
- 1911 Encyclopedia Britannica
Searchable online version of the 1911 Encyclopedia Britannica, containing 29 volumes and articles written by more than 1500 authors on topics from A to Z.
www.1911encyclopedia.org
- Alleypedia
Free, open, and collaborative encyclopedia about English language publishing industry that anyone can edit and improve. Features book publishers, literary and art agents, record labels, newspapers, magazines, tv, film, and theater producers, and more.
www.alleypedia.writeralley.org
- Answers Encyclopedia
Get reliable, verified answers to your questions from encyclopedias, dictionaries, and other published sources.
answers.encyclopedia.com
- Answers.com
Get answers from a variety of encyclopedias, dictionaries, glossaries, and atlases with Answers.com, an online reference source.
www.answers.com
- Article Insider
Community where real-life specialists share their knowledge about a wide variety of popular topics.
www.articleinsider.com
- BambooWeb Dictionary
Online dictionary and encyclopedia providing articles and information on a wide variety of topics. Browse encyclopedia entries by subject, or search for information by key words.
www.bambooweb.com
- Citizendium
Project to create a user-created encyclopedia that aims to improve on the Wikipedia model by adding 'gentle expert oversight' and requiring contributors to use their real names.
www.citizendium.org
- Encyclocenter
Features a collection of original, informative, and authoritative articles on a wide variety of subjects.
www.encyclocenter.com
- Encyclopedia Britannica
Official site of the Encyclopedia Britannica, one of the world's best-known reference books. Find short encyclopedia entries and definitions, or register for complete access.
www.britannica.com
- Encyclopedia of Diderot & d'Alembert - Collaborative Translation Project
English translation of the articles from the Encyclop?die edited by Denis Diderot and Jean le Rond d'Alembert in the 18th century.
www.hti.umich.edu/d/did
- EncycloZine
Online store and encyclopedia. FInd information and products on topics like art, technology, history, science, sports, and space.
EncycloZine.com
- Everything2
User-created encyclopedia, web directory, and knowledge web. Everything2 offers definitions, articles, and writeups by readers about anything and everything.
www.everything2.com
- Fixed Reference: Snapshots of Wikipedia
Offers periodic fixed snapshot copies of Wikipedia, the collective online encyclopedia, allowing safe reference and linking without talk pages.
fixedreference.org
- Freebase
An open, shared database of the world's knowledge.
www.freebase.com
- Infoplease
Online encyclopedia entries, dictionary definitions, and thesaurus help from Infoplease, covering topics from astrophysics to Zimbabwe.
www.infoplease.com
- JRank Online Encyclopedia
Offers free access to Webster's 21st Century Family Encyclopedia, the 1911 and 1899 editions of Encyclopedia Britannica, and thousands of original articles.
encyclopedia.jrank.org
- Knol
A platform for user-generated knowledge. Knol encourages authors to write authoritative articles on specific subjects.
knol.google.com
- Probert Encyclopaedia
Online encyclopedia specializing in short, inter-linked articles about anything from famous actors to "psychological phobias.
www.probertencyclopaedia.com
- Project Galactic Guide
Spoof encyclopedia meant to guide and misguide its readers in matters of life, death, and finding a parking space anywhere in the Universe, in the style of the Hitchhiker's Guide to the Galaxy.
www.galactic-guide.com
- Qwiki
A search engine with interactive video presentations.
www.qwiki.com
- Rudiments of Wisdom Encyclopaedia
Cartoon, with A to Z drawings by Tim Hunkin illustrating topics like animals, geography, science, and history.
www.rudimentsofwisdom.com
- Wikipedia
Wikipedia is a free, open content, community-built encyclopedia with thousands of articles on topics from A to Z. Available in dozens of languages.
www.wikipedia.org
- Wikipedia in English
English-language version of Wikipedia, the online encyclopedia built and edited by users. Find encyclopedia entries on almost any topic, or click for a random Wikipedia article.
en.wikipedia.org
- Yahoo! Reference
Find an online encyclopedia, quotations, and other fact-finding tools at Yahoo! Reference. Search for dictionary definitions, spelling help, thesaurus synonyms, maps, flags, and other answers.
education.yahoo.com/reference
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