Encyclopaedia Britannica Guide to Black History http://search.eb.com/blackhistory/ A general resource for studying the African-American experience. Contains over 600 biographical and topical articles plus a five-century timeline, audio/video clips, a study guide, a bibliography, and links to related sites.
Encyclopedia of Earth http://www.eoearth.org A free, fully searchable collection of articles, related to the earth's environment, written by scholars and experts in non-technical language.
Encyclopedia of Life Sciences http://www.els.net/ The Encyclopedia of Life Sciences provides a comprehensive summary of biological information. Articles are geared for users from the undergraduate through faculty level. Articles include illustrations, bibliographic citations, and links to related material.
Encyclopedia.com http://encyclopedia.com/ Short articles from the Columbia Encyclopedia, Sixth Edition.
MSN Encarta: Encyclopedia Article Center http://encarta.msn.com/artcenter_/browse.html Fairly lengthy articles. Also includes historic documents, literature guides, and an archive of earlier articles.
