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.
http://wikipedia.com/
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Encyclopedia - Britannica Online Encyclopedia
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.
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Answers.com - Online Dictionary, Encyclopedia and much more
Get answers from a variety of encyclopedias, dictionaries, glossaries, and atlases with Answers.com, an online reference source.
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Infoplease: Encyclopedia, Almanac, Atlas, Biographies, Dictionary, Thesaurus. Free online reference, research & homework help.
Infoplease.com contains facts on all subjects including sports, entertainment, ... © 2000–2009 Pearson Education, publishing as Infoplease ...
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Encyclopedia - Online Dictionary | Encyclopedia.com: Get facts, articles, pictures, video
Find encyclopedia entries from the Columbia Encyclopedia, with links to newspaper and magazine articles, pictures, and maps. From Highbeam Research.
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MSN Encarta : Online Encyclopedia, Dictionary, Atlas, and Homework
Online encyclopedia, dictionary, atlas, and other reference tools from MSN Encarta. Find encyclopedia entries, dictionary definitions, and homework help.
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World Book Home
The World Book web site offers an encyclopedia, dictionary, atlas, homework help, ... Go to the World Book product sites listed below to view products and pricing: ...
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Welcome to About.com
No information avaiable
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Welcome to Everything@Everything2.com
User-created encyclopedia, web directory, and knowledge web. Everything2 offers definitions, articles, and writeups by readers about anything and everything.
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World Book
The World Book web site offers an encyclopedia, dictionary, atlas, homework help, study aids, and curriculum guides. World Book is publisher of the ...
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HowStuffWorks - Learn how Everything Works!
Series of articles that explore the workings of electronics, computers, autos, finances, health, and scientific and social phenomena.
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