- Political crimes and offenses.1
- Political culture.1
- Political parties.1
- Political science--California.1
- Political science--United States.1
- Politics and culture--United States.1
- Presidential candidates--United States.1
- Processions.1
- Prohibition--United States.1
- Public officers.1
- Public relations and law.1
- Rainey, Henry Thomas, 1860-1934.1
- Republican Party (U.S. : 1854- )1
- Sheppard, Morris, 1875-1941.1
- Sinclair, Upton, 1878-1968--Political activity.1
- Sinclair, Upton, 1878-1968--Political and social views.1
- Snell, Bertrand Hollis, 1870-1958.1
- Socialism--United States--History.1
- Socialist Party (U.S.)1
- Statues--Washington (D.C.)1