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Wikipedia - http://www.wikipedia.org/
A free encyclopedia with millions of articles contributed collaboratively using Wiki software, in dozens of languages. |
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HighBeam Encyclopedia - http://www.encyclopedia.com/
Offers articles from the Columbia Encyclopedia and Britannica Concise Encyclopedia. |
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Encyclopaedia Britannica Online - http://www.britannica.com/
Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available. |
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Bartleby.com - http://www.bartleby.com/
Includes the Columbia Encyclopedia, Sixth Edition, dictionaries, and thesauri. |
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Information Please - http://www.infoplease.com/
Online dictionary, Columbia Encyclopedia, and almanac reference. |
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Simple English Wikipedia - http://simple.wikipedia.org/
User-contributed online encyclopedia intended for people whose first language is not English. |
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http://knol.google.com/ - http://knol.google.com/
Peer-reviewed encyclopedia from Google. Articles are written by named contributors. |
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World Book Encyclopedia - http://www.worldbook.com/
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporary registration with option to buy continued access for full articles. |
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Hutchinson Encyclopedia - http://encyclopedia.farlex.com/
"A subset of the content (concise set) is provided for free, the access to the rest of the Hutchinson Encyclopedia requires subscription." |
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The Probert Encyclopaedia - http://www.probert-encyclopaedia.co.uk/
Reference source with several hypertext linked entries covering a broad variety of subjects. |
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Encyberpedia - http://www.encyberpedia.com/cyberlinks/links/index.html
Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet. |
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Online Encyclopedia - http://encyclopedia.jrank.org/
Offers articles from on the 11th edition Encyclopedia Britannica, and from the Crystal Reference Encyclopedia. All articles are searchable and alphabetized. |
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Nuttall Encyclopędia of General Knowledge - http://www.fromoldbooks.org/Wood-NuttallEncyclopaedia/
Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907. |
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MSN Encarta Encyclopedia - http://encarta.msn.com/
Includes a world atlas, dictionary, thesaurus, multimedia collection, and homework tools. |