This is a one-volume encyclopedia in print, which contains more than 50,000 articles. Search or browse it at this site. Compton's Encyclopedia 22 February 2000. Search or browse the latest edition of Compton's Encyclopedia free of charge. 9 May 2000.
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It appears the publisher plans to charge for it when it is available. This is the official directory of the U.S. Congress. Encarta Online Concise Encyclopedia Microsoft offers this abridged version Encarta Deluxe Encyclopedia. The abridged version includes 16,000 articles as well as photos, maps, charts and tables. Researchers enter keywords in a left-hand frame to see a list of matching titles and articles.