Encyclopedia Britannica Online
A leading provider of learning and knowledge products. We're proud to be one of the world's most trusted sources of information on every topic imaginable - from the origins of the universe to current events and everything in between.

Columbia Electronic Encyclopedia
Contains almost 52,000 entries with more than 84,000 hypertext cross-references. It provides integrated subject category sort. The electronic edition is among the most complete and up-to-date encyclopedias ever produced.

Encyclopedia.Com
The Internet's premiere free encyclopedia, provides users with more than 57,000 frequently updated articles. Each article is enhanced with links to newspaper and magazine articles as well as pictures and maps.

MSN Encarta
Your gateway for interactive learning on the Web.

World Book
The World Book Online Reference Center includes the complete World Book Encyclopedia and Dictionary, Atlas, Web Links, Magazines, Historical Documents, and thousands of multi-media audios, videos, images, and 3D photographs.

CountryReports.Org
We provide statistical information as well as cultural information which students, parents, teachers and researchers find valuable. CountryReports.org has over 23,000 pages of content.