1911 Encyclopedia Britannica
Offers the 11th Edition Encyclopedia Britannica which is now in the public domain. All articles are searchable and alphabetized.
Encyclopaedia Britannica Online
Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial.
Encyclopedia FunTrivia
Thousands of categorized entries of trivia - an invaluable resource for answer seekers.
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 ar…
How Stuff Works
Articles explain how hundreds of things work, from elements of the human body to space-age technology.
Nuttall Encyclopædia of General Knowledge
Approximately 14,000 entries on topics including art, geography, literature, philosophy, religion. Originally published in 1907.
The Probert Encyclopaedia
Reference source with several hypertext linked entries covering a broad variety of subjects.
World Book Encyclopedia
Publisher site promoting sales of bound copies and offering link to online version.
World Book Encyclopedia
Online version of the complete reference work along with dictionary, atlas, links, magazines, historical documents, audio, video, images, and 3D photographs. Requires free temporar…
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