General
Agriculture
Economic Research Service (USDA) 
National Agricultural Statistics Service
Business and Economics
Economic Indicators. United States Congress
National Bureau of Economic Research
U.S. Dept. of Commerce, Bureau of Economic Analysis
Census Bureau Economic Programs
Criminal Justice
Sourcebook of Criminal Justice Statistics Online
Federal Bureau of Investigation, Uniform Crime Reports
National Criminal Justice Reference Service
Demographics
Social Explorer (5 simultaneous users)
Selected Historical Decennial Census: Population and Housing Counts
Education
National Center for Education Statistics
Energy
Energy Information Administration
Health
National Center for Health Statistics
National Vital Statistics System
SAMHSA-Substance Abuse & Mental Health Services Administration
Income
Internal Revenue Service Tax Statistics
International
United Nations Statistics Division
Center for Strategic and International Studies (CSIS)
World’s Women 2010: Trends and Statistics
International Justice Statistics
International Data Base, Census Bureau
International Labor Statistics
International Labour Organization
Labor
U.S. Department of Labor, Bureau of Labor Statistics
Bureau of Labor Statistics: Geography
Labor Force Statistics from the Current Population Survey
Small Business Administration Economic Statistics and Research
Military
Politics
Religion
Science
National Science Foundation, Div. of Science Resources Statistics
Social Work
Administration for Children & Families (ACF)
Multiple Indicator Cluster Surveys
Domestic Violence & Intimate Partner Abuse
Children’s Bureau: An Office of the Administration for Children and Families
Transportation
U.S. Dept. of Transportation. Bureau of Transportation Statistics