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Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial.
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World Book Encyclopedia (Popularity: )
Publisher site promoting sales of bound copies and offering link to online version.
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The Probert Encyclopaedia (Popularity: )
Reference source with several hypertext linked entries covering a broad variety of subjects.
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Encyberpedia (Popularity: )
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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Informationsphere.com (Popularity: )
Free online encyclopedia that allows users to submit their own articles for inclusion in its database.
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Encyclopedia FunTrivia (Popularity: )
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Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.
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Bartleby.com (Popularity: )
Online publication of the Columbia Encyclopedia, Sixth Edition.
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Encyclopaedia Britannica, 1911 Edition (Popularity: )
Browsable full text of the 11th edition.
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How Stuff Works (Popularity: )
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
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Encyclopedia.com from Electric Library (Popularity: )
Free resource offers more than 50,000 concise articles.
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Free Internet Encyclopedia (Popularity: )
An encyclopedia composed of information available on the Internet. MacroReference contains references to large areas of knowledge, FAQs where available, ...
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Wikipedia (Popularity: )
A free encyclopedia built collaboratively using Wiki software. (GNU Free Documentation License).
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Wikinfo (Popularity: )
User edited encyclopedia based on Wiki software. Contains articles, information on editing, and a list of differences between this encyclopedia ...
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World Book Encyclopedia (Popularity: )
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D ...
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HighBeam Library Research (Popularity: )
Possible to conduct research using a database of reliable sources.
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