Federal Government

• Supreme Court of the United States
• United States House of Representatives
• United States Senate

Government Information

• Data.gov
• Department of Health and Human Services
• Directory of Health and Human Services Data Resources
• Federal Register
• FedStats
• Fedworld
• Government Publishing Office
• National Technical Information Service
• PolicyMap
• Publications.USA.gov
• Science.gov
• United States Government Manual
• USA.gov

General Reference

• Congressional Digest

Government Information

• Federal Register

U.S. Laws and Codes

• Code of Federal Regulations
• United States Code