- Public housing1
- Railroads1
- Reconstruction (U.S. history, 1865-1877),Lincoln, Abraham, 1809-18651
- Reserve Officers Association of the United States,Richardson, John W., 1910-1996,Butler, Paul M. (Paul Mulholland), 1905-19611
- School integration,Eisenhower, Dwight D. (Dwight David), 1890-1969,Central High School (Little Rock, Ark.)1
- Segregation1
- Segregation in education,Citizens Committee for Constitutional Government. Savannah River Division1
- Segregation in education,Mass media1
- Social security1
- Socialism,United States. Supreme Court1
- Socialism,Welfare state,Associated General Contractors of America1
- Soil bank program1
- South Carolina Association of Launderers and Cleaners1
- South Carolina. National Guard1
- Southern States1
- Southern States,Race relations,Javits, Jacob K. (Jacob Koppel), 1904-1986,United States. Congress. Senate1
- Special elections1
- Special elections,Timmerman, George Bell, 1912-19941
- Statehood (American politics),Alaska1
- States' rights (American politics)1