• Biographical Directory of the United States Congress
• House of Representatives
• Senate

Presidential and Executive Branch

• White House
• Papers of the Presidents of the United States (Yale Avalon Project)
• Public Papers of the Presidents
• State of the Union Addresses
• Weekly Compilation of Presidential Documents

• U.S. Budget
• Catalog of Federal Domestic Assistance
• Code of Federal Regulations
• Consumer Information (Federal Citizen Information Center: GSA)
• Federal Register
• Freedom of Information Act (FBI)
• GPO Access
• Maps and the National Atlas (Dept. Interior)
• Catalog of United States Government Publications (MoCat)
• Public Laws
• U.S. Government Manual
• Tax Forms & Publications

Statistical Sources

• Bureau of Justice Statistics
• Bureau of Labor Statistics
• Bureau of Transportation Statistics
• Census Bureau (American FactFinder)
• FedStats
• National Center for Educational Statistics
• National Center for Health Statistics
• Statistical Abstract of the United States