Oxford English Dictionary, 2nd edition
Oxford Dictionaries - includes access to bilingual dictioaries for Arabic, Chinese, French, German, Italian, Portuguese, Russian, Spanish
Encyclopaedia Britannica Online (Academic Edition)
Britannica Enciclopedia Moderna
Wikipedia
World Book Online Reference Center
U.S. Bilateral Relations Fact Sheets -- U.S. Dept. of State
CIA World Fact Book
Country Studies -- Library of Congress
American National Biography: portraits of men and women -- from all eras and walks of life -- whose lives have shaped the nation.
Biography Reference Bank: covers over 500,000 people and includes over 36,000 images.
Literary Reference Center (EBSCO): information about authors living and deceased (includes excerpts of literary criticism).
Literature Resource Center (Artemis): information about authors living and deceased (includes excerpts of literary criticism).
Marquis Who's Who: includes Who's Who in America, Who's Who in the World, and more
Oxford Dictionary of National Biography: national record of men and women who have shaped British history and culture, worldwide, from the Romans to the 21st century
Encyclopedia of Associations (U.S. and International)
Directory of Development Organizations
International Organizations in Europa World Online
A to Z Maps: outline maps, political boundaries, geographical features, etc.
David Rumsey Map Collection
National Geographic Map Machine
Perry-Castaneda Library Map Collection
Sanborn Fire Insurance Maps - Ohio (1867 - 1970)
Calendar Zone
Measurements Converter
OnlineConversion.com
Salary Calculator
World Clock
Universal Currency Converter