Free Internet Encyclopedia
An encyclopedia composed of information available on the Internet. MacroReference contains references to large areas of knowledge, FAQs where available, and pointers to relevant areas of the MicroReference. MicroReference contains short bits of information and references to specific subjects.
http://www.cam-info.net/enc.html
Informationsphere.com
Free online encyclopedia that allows users to submit their own articles for inclusion in its database.
http://www.informationsphere.com/
Bartleby.com
Online publication of the Columbia Encyclopedia, Sixth Edition.
http://www.bartleby.com/65
Encyberpedia
Electronic encyclopedia with its own content as well as over 10,000 links to the best reference sites on the Internet.
http://www.encyberpedia.com/cyberlinks/links/index.html
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/
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/
Encyclopaedia Britannica Online
Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial.
http://www.britannica.com/
Encyclopedia Smithsonian
Links to on-line Smithsonian resources and answers to frequently asked questions from A to Z.
http://www.si.edu
How Stuff Works
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
http://www.howstuffworks.com/
