- Public works2
- Radio addresses, debates, etc2
- Radio frequency modulation2
- Religious education2
- Rent control2
- Rhode Island2
- Risher, Mary, 1929-20102
- Roadside rest areas2
- Royal Botanic Gardens, Kew, England2
- Ruffin, Edmund, 1794-18652
- Russell, Richard B. (Richard Brevard), 1897-19712
- Sandwich Islands2
- Santee Canal (S.C.)2
- Savannah River Valley (Ga. and S.C.)2
- School districts2
- Sexually transmitted diseases2
- Smathers, George A. (George Armistead), 1913-20072
- Soil conservation2
- South Carolina Aeronautics Commission2
- South Carolina Area Trade Schools2