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Includes the Columbia Encyclopedia, Sixth Edition, dictionaries, thesauri, and more.
http://www.bartleby.com/
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Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available.
http://www.britannica.com/
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Articles explain how hundreds of things work, from elements of the human body to space-age technology.
http://www.howstuffworks.com/
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On-Line dictionary, Internet encyclopedia, and almanac reference.
http://www.infoplease.com/
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Browsable. Based on the eleventh edition of the Encyclopedia Britannica, first published in 1911.
http://www.1911encyclopedia.org/
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Reference source with several hypertext linked entries covering a broad variety of subjects.
http://www.probert-encyclopaedia.co.uk/
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User edited encyclopedia based on Wiki software. Contains articles, information on editing, and a list of differences between this encyclopedia and Wikipedia.
http://www.wikinfo.org/
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Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs.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.
http://www.worldbook.com/
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