Almanacs and Encyclopedias

• Columbia Encyclopedia
  This is the 6th edition by Columbia University Press, 2001-2004. Containing nearly 51,000 entries and more than 80,000 hypertext cross-references
• Columbia Encyclopedia, Sixth Edition, 2001-2004.
  "The most up-to-date encyclopedia available on the web" by Bartleby. Contains neary 51,000entries. See: "How to Use the Columbia Encyclopedia" by Fact Monster at http://www.factmonster.com/encyclopedia/ce6howto.html
• Encyclopædia Britannica (on site access only)
  
• Encyclopaedia Britannica, 11th edition
  This is THE "classic edition," first published in 1911.
• Encyclopedia.com
  Provides more than 17,000 short articles from the Concise Columbia Electronic Encyclopedia, Third Edition. 2005.
• Free Internet Encyclopedia
  2004
• Information Please Almanac Online
  
• Interdisciplinary Encyclopaedia of Religion and Science
  Scholarly articles, primarily from the Catholic theological perspective
• Old Farmer's Almanac
  
• Symbols.com
  "World's largest online encyclopedia of graphic symbols...More than 2500 Western symbols."
• Webopedia 
  Free online dictionary for words, phrases and abbreviations that are related to computer and internet technology. By Jupiter Media Corporation.
• World Fact Book
  Book contains a wide range of information on every recognized country in the world. It is published annually.