ATID Jewish Encyclopedia  
   The Jewish Encyclopedia For Kids is made as an online educational site for children who are interested in Jewish facts and history.
   http://www.geocities.com/atid10/ency.htm

Encyclopedia.com  
   Free resource offers more than 50,000 concise articles.
   http://www.encyclopedia.com/

Encyclopaedia Britannica  
   Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Free trial available.
   http://www.britannica.com/

TechEncyclopedia  
   Contains descriptions and definitions of more than 14,000 computer terms and concepts.
   http://www.techweb.com/encyclopedia/

Children's Encyclopedia of Women  
   Collection of articles about famous women written by third and fourth grade students.
   http://www2.lhric.org/pocantico/womenenc/womenenc.htm

EncycloZine: Learning Fun!  
   EncycloZine is a concise illustrated encyclopedic portal covering a wide range of topics in the arts, humanities, sciences, and technology. It also features games, puzzles, quizzes, and a multimedia gallery.
   http://EncycloZine.com/

World Book Encyclopedia  
   Offers in-depth information on a variety of subjects and educational activities for children.
   http://www.worldbook.com/

Spartacus Educational  
   British online encyclopedia focuses on historical topics. Articles are geared toward students.
   http://www.spartacus.schoolnet.co.uk/

Columbia Encyclopedia - 6th edition  
   Comprehensive online encyclopedia and database of over 51,000 entries.
   http://www.bartleby.com/65/

Grolier Online: The American Presidency  
   A history of U.S. presidents, the presidency, politics and related subjects. Includes biographies for every president.
   http://gi.grolier.com/presidents/preshome.html

VetCentric Encyclopedia  
   Find articles on animal health care topics ranging from behavior and preventive care to common and not-so-common diseases.
   http://www.vetcentric.com/reference/encyc.cfm

Instrument Encyclopedia  
   A guide to more than musical 140 instruments from all parts of the world. Includes photographs and descriptions.
   http://www.si.umich.edu/chico/instrument/

MSN Encarta Encyclopedia  
   Online home of the Encarta encyclopedia, dictionary, thesaurus, multimedia collection, and homework tools.
   http://encarta.msn.com/

How Stuff Works  
   Articles explain how hundreds of things work, from elements of the human body to space-age technology.
   http://www.howstuffworks.com/

Bartleby.com Reference  
   Reference site allows you to search over the Columbia Encyclopedia, the Encyclopedia of World History, fact books, thesauri, quotes, and more.
   http://www.bartleby.com/reference/

Encyclopedia Smithsonian  
   Links to online Smithsonian resources and answers to frequently asked questions from A to Z.
   http://www.si.edu/resource/faq/start.htm

wordIQ.com  
   An online encyclopedia with more than 400,000 pages of content.
   http://www.wordiq.com/encyclopedia.html

Wikipedia  
   Free volunteer-edited encyclopedia with over 200,000 articles.
   http://en.wikipedia.org

Open Site  
   A volunteer-run open content encyclopedia, inspired by the Open Directory Project.
   http://open-site.org/