The Borderlands Encyclopedia
http://www.utep.edu/border/
Site developed by the Office of Technology Planning and Distance Education of the University of Texas at El Paso to provide resources and information for students wishing to better understand the current issues confronting the U.S. - Mexico border area.

The Columbia Encyclopedia: Sixth Edition 
http://www.bartleby.com/65/ 
This is an online version of the current (year 2000) edition of the Columbia Encyclopedia, a one volume, short-entry encyclopedia with over 50,000 entries. 

Electric Library's Encyclopedia.com
http://www.encyclopedia.com/
Free encyclopedia with more than 50,000 articles plus links giving you access to millions of articles and pictures.

Encyclopedia Smithsonian 
http://www.si.edu/resource/faq/start.htm 
"The Smithsonian Institution receives a great many public inquiries covering a wide range of topics. Therefore, the following responses have been compiled to answer frequently asked questions or to provide guidance in finding the requested information. New information will be added continually." Topics covered: Armed Forces History, Anthropology, Mineral Sciences, Musical History, Physical Sciences, Services, Textiles Conservation, Transportation History, and Vertebrate Zoology. 

Galenet
http://www.galenet.com/servlet/LitIndex
Author Search 
Find which Gale literature series include entries on an author. 

Title Search 
Search for the title of a literary work to see who wrote it and/or where it's discussed in Gale's
literature criticism series. 

Custom Search 
Look for authors in the Index by name, birth date, death date, or nationality 

Information Please Almanac 
http://www.infoplease.com/ 
Online version of the popular almanac which you can browse by topic or search. Also includes the Random House Webster College Dictionary and the Columbia Encyclopedia.

Medical Encyclopedia
http://www.nlm.nih.gov/medlineplus/encyclopedia.html
The Adam Health Illustrated Encyclopedia includes over 4,000 articles about diseases, tests, symptoms, injuries, and surgeries. It also contains an extensive library of medical photographs and illustrations

TechEncyclopedia
http://www.techweb.com/encyclopedia/
Site links to more than 20,000 IT terms.

Webopedia
http://www.webopedia.com/
Site provides brief definitions and related links for computer and internet terminology.