Reference Tools Encyclopedia in the Best of the Web Directory

Reference Tools Encyclopedia

Encyclopaedia Britannica Online

Access to full-text online copies of Encyclopaedia Britannica content. With search features and multimedia galleries.

Encyclopedia Smithsonian

Gives information about Smithsonian departments, as well as topics from Art to Zoology.

Encyclopedia.com

Free Internet library featuring reference works like Oxford Dictionaries, Britannica Concise Encyclopedia, and newspaper and magazine articles.

Encyclozine

Free online encyclopedia covering topics in the arts, history, humanities, literature, science, nature, and technology.

HowStuffWorks

Procedure-centric reference covering an extensive range of topics - from electronics to travel.

Open Site

Free and volunteer-run content encyclopedia presents articles on a wide range of subjects. Viewable in different language versions.

World Book

Learning resource package integrating an encyclopedia, dictionary, and atlas in one presentation.

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