Encyclopedias, Almanacs, Transcripts, and Maps
- Seeger, United States v. 380 U.S. 163 (1965)
- Seismology for Monitoring Explosions
- Selden, John (1584–1654)
- Selective Draft Law Cases Arver v. United States 245 U.S. 366 (1918)
- Selective Exclusiveness
- Selective Service Act 40 Stat. 76 (1917)
- Selective Service Acts Conscription Act 12 Stat. 731 (1863) Burke-Wadsworth Selective Training and Service Act 54 Stat. 885 (1940) Universal Military Training and Service Act 62 Stat. 604 (1948)
- Senate and Foreign Policy
- Senate and Judicial Appointments
- Senate Judiciary Committee
- Senate Select Committee on Intelligence, United States
- Senate Subcommittee on Constitutional Rights
- Sendero Luminoso (Shining Path, or SL)
- Sentencing
- SENTRI (Secure Electronic Network for Travelers' Rapid Inspection)
- Separate but Equal Doctrine
- Separation of Church and State
- Separation of Church and State (Update)
- Separation of Powers
- Separation of Powers (Update)