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://www.wikipedia.org/
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Refdesk.com ... Reference, Facts, News ... Free and Family-friendly Resources
Comprehensive index of Internet sites.
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Encyclopedia Home — Infoplease.com
A current and comprehensive encyclopedia covering all the major branches of knowledge from astrophysics to Zimbabwe.
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Encyclopedia - Britannica Online Encyclopedia
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Encyclopædia Britannica School & Library Site
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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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Martindale's 'The Reference Desk' - International Art, Business, Science & Technology
Directory of reference materials on the Web, sorted by subject, with dictionaries, calculators, translation ... martindalecenter.com. A "Surfing the 3rd Wave at ...
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Factbites: Where results make sense
Factbites is an encyclopedia crossed with a search engine. ... Factbites endeavors to pull facts from web pages or online encyclopedias and ...
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Probert Encyclopaedia - Dictionary, Online Encyclopedia, Online Dictionary, Electronic Dictionary
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LibrarySpot.com: Encyclopedias, maps, online libraries, quotations, dictionaries & more.
Find the best library and reference resources at LibrarySpot.com, including top dictionaries, encyclopedias, newspapers, maps, quotations and much more.
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Bartleby.com: Great Books Online -- Encyclopedia, Dictionary, Thesaurus and hundreds more
Publishes the classics of literature, nonfiction, and reference books free of charge for the home, classroom, and desktop.
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