Encyclopedias

• The Columbia Encyclopedia: Sixth Edition - This is an online version of the 2000 edition of the Columbia Encyclopedia, a one volume, short-entry encyclopedia with over 50,000 entries.
• Encyberpedia - An annotated listing of subject-oriented encyclopedias available on the Web.
• 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.
• Encyclopedia Smithsonian - Provides answers to frequently asked questions at the famous museum. Includes information on the armed forces history, anthropology, mineral sciences, musical history, physical sciences, services, textiles conservation, transportation history, and vertebrate zoology.
• High Beam Encyclopedia - "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."
• How Stuff Works - HowStuffWorks is the leading source of credible, unbiased, and easy-to-understand explanations of how the world actually works. Founded by North Carolina State University Professor Marshall Brain in 1998, the site has since grown to be an award-winning online resource for millions of people of all ages.
• Wikipedia - A free encyclopedia anyone can edit.