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.
Encyclopedia Britannica Explore the updated onlineencyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.
http://www.britannica.com/
EncyclopediaOnline - Yahoo! Education EncyclopediaOnline - Find facts and research reference information in this freeonline searchable encyclopedia with over 50,000 entries and more than 84,000 cross ...
Wikipedia in English English-language version of Wikipedia, the onlineencyclopedia built and edited by users. Find encyclopedia entries on almost any topic, or click for a random ...
http://en.wikipedia.org/
Reference.com Reference.com - Freeonlineencyclopedia and reference. Quickly research famous people, places, topics, and events from trusted sources.
http://www.reference.com/
Infoplease Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. ...
http://www.infoplease.com/
The Free Dictionary Freeonline dictionary search, offering English, medical, legal, and computer dictionaries as well as a thesaurus, encyclopedia, and literature reference library.
http://www.thefreedictionary.com/
Answers.com Answers.com: Wiki Q&A combined with freeonline dictionary, thesaurus, and encyclopedias. Ask questions, get answers. ... Search: All sources Community Q&A ...
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