Large collection of hundreds of online encyclopedias, dictionaries, biographical compilations, and other reference tools...

World Book Online is a suite of online research tools that delivers encyclopedia articles, primary source collections, educator tools, student activities, pictures, audio, and video, complemented by current periodicals and related Web sites...

Online version of one of the most notable general encyclopedias ever published...

A perfect starting point for all things Canadian, including over 20,000 articles...

Online version of a standard one-volume encyclopedia; 6th edition (2001)...

General encyclopedia with more than 40,000 articles and more than 12,000 illustrations...

Spanish-language version of the Encyclopædia Britannica...

"Encyclopedia Smithsonian helps answer frequently asked questions about the Smithsonian with links to resources on subjects from Art to Zoology...

A free Internet "encyclopedia" made up of users' creations, each connected by multiple hotlinks to other Everything articles...

Provides over 25,000 encyclopedic entries, searchable by subject or keywords within the entry...

The Oregon Encyclopedia is a compendium of information on Oregon people, places, events, and institutions...

A collection of more than 175 dictionaries and encyclopedias from Oxford University Press...

Created by New Zealand's Ministry for Culture and Heritage to provide a comprehensive guide for the country...

"This encyclopedia features concise entries providing essential information on a range of subjects, including world affairs, science and technology, the arts, modern and ancient history, religion, sports, and popular culture...