lib schooled.

Almanacs, Yearbooks and Factbooks
Columbia Gazetteer of North America
World Factbook, 2008

Business
Advertising Age
D&B Companies Online
Small Business Agency

Dictionaries
Dictionary.com
New Dictionary of Cultural Literacy, 3rd Edition

Directories
American School Directory
Anywho White and Yellow Pages (Sponsored by AT&T.)
Foundation Center
Foundations On-Line
LibWeb
Literary Marketplace
Telephone Directories Around The World
World Chamber of Commerce Directory

Encyclopedias
Columbia Encyclopedia, 6th Edition (Free.)
Encarta (Free.)
Encyclopedia Americana Online (Fee based.)
Encyclopaedia Britannica (Fee based with free trials.)
Encyclopedia of World History (Ancient, Medieval, and Modern, up to 2000) (Free.)
Golier’s Academic American (Fee based.)
New Book of Knowledge (Fee based.)
Wikipedia (It’s useful for sources.)
World Book (Partial access to articles for free, subscription required for full access ($49/year).)

General/Miscellany
50 States
AcronymFinder
Internet Public Library
Military Acronyms, Initialisms, and Abbreviations
U.N. Data Portal
U.S. Census
U.S. Copyright Office
U.S. Marriage Laws
U.S. Patent and Trademark Office

Geographical Sources
Atlas of Canada
GEOnet Names Server
Google Maps
MapQuest
National Atlas of the United States
Odden’s Bookmarks
U.S. Board of Geographic Names
U.S. Department of State Background Notes (before 2001)
U.S. Department of State Background Notes (after 2001)
Weather.com
Yahoo! Maps

Law
Federal Court Finder
Federal Judicial Center
Supreme Courts
U.S. Courts

Literature/Humanities
American Heritage book of English Usage, 2000
Cambridge History of English and American Literature, 2000
New Dictionary of Cultural Literacy, 3rd Edition
Oxford Shakespeare, 2000

Medical/Health
Calorie Counter
Internet Mental Health
PubMed

Quotations
Columbia World of Quotations, 2001
Congressional Research Service: Respectfully Quoted, 2003
Familiar Quotations, 10th Edition
Simpson’s Contemporary Quotations, 2000