Encyclopedia.com - Encyclopedia.com, the Internet's premiere free encyclopedia, provides users with more than 57,000 frequently updated articles from the Columbia Encyclopedia, Sixth Edition. Each article is enhanced with links to newspaper and magazine articles as well as pictures and maps - all provided by HighBeam Research.
World Book Encyclopedia - The entire 22 volume print edition plus 8000 more articles. Includes pictures, maps, videos, animations and web links.
