1911 Encyclopedia Britannica Offers the 11th Edition Encyclopedia Britannica which is now in the public domain. All articles are searchable and alphabetized. http://encyclopedia.jrank.org/
Encyclopaedia Britannica Online Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial. http://www.britannica.com/
Encyclopedia FunTrivia Thousands of categorized entries of trivia - an invaluable resource for answer seekers. http://www.funtrivia.com/trivia.html
Encyclopedia.com from Electric Library Free resource offers more than 50,000 concise articles. http://www.encyclopedia.com/
EncycloZine Portal/concise encyclopedia offers fun activities for learning and exercising the mind. Daily articles introduce new topics in the arts, humanities, science, and technology, and provide links to related sites. http://EncycloZine.com/
How Stuff Works Articles explain how hundreds of things work, from elements of the human body to space-age technology. http://www.howstuffworks.com/
Informationsphere.com Free online encyclopedia that allows users to submit their own articles for inclusion in its database. http://www.informationsphere.com/
The Probert Encyclopaedia Reference source with several hypertext linked entries covering a broad variety of subjects. http://www.probert-encyclopaedia.co.uk/
World Book Encyclopedia Publisher site promoting sales of bound copies and offering link to online version. http://www.worldbook.com/
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