- Selig, Josephine Cohen, 1864-19331
- Sheinbaum, Stanley K.1
- Sherborne, Robert, 1950-1
- Sibley, John A. (John Adams), 1888-19861
- Sims, Anne Hitchcock, 1875-1960--Correspondence1
- Singer, Joel1
- Smith, George Gilman, 1836-19131
- Smith, William M. (William Manning)1
- Staton, Mary1
- Stephens, Alexander, 1757-18211
- Stern, Otto, 1882-19631
- Sutherland, Howard, 1865-1950--Correspondence1
- Swann, Pat1
- Taft, William H. (William Howard), 1857-19301
- Taft, William H. (William Howard), 1857-1930--Death and burial1
- Terkel, Studs, 1912-20081
- Thanet, Octave, 1850-1934--Correspondence1
- Thompson, Jerry, 1940-1
- Towson, W.E.1
- Tyler, Gary R.1
