Reference » Encyclopedias


Encyclopaedia Britannica
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Searchable database of articles, biographies, videos, images and web sites. Also offers books, CD's, DVD's, blog, press room and online store.

Encyclopedia of Life Sciences
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Providing more than 4,300 commissioned and peer reviewed articles on life sciences topics. Includes special features, news and ordering.

Hutchinson Encyclopedia
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Resource of words, articles, photos and illustrations, sound files, animations and videos. Also offers quotations, historical documents, chronologies, atlas, tools and feedback.

Information Sphere
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Online encyclopedia and search engine for more than 5,700 terms and definitions categorized by alphabet and topic. Also offers newsletter and images.

Probert Encyclopaedia
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Online encyclopedia offering a database of more than 235,000 interlinked references categorized by topic. Also includes illustrations, FAQ's and e-Books downloads.