Names
- Silver, Kenneth F.1
- Simon, Amy R.1
- Sligh, Charles R., Jr. (Charles Robert), 1906-1997.1
- Sligh, Charles Robert, 1906-1
- Sligh, Charles Robert, 1906-19971
- Spaulding, Paul P., III.1
- Spivak, Frank J.1
- Stone, Ralph, 1868-1956.1
- Students for a Democratic Society (U.S.)1
- Studley family.1
- Sudarkasa, Michael Eric.1
- Sullivan, Bradley J.1
- Sunday, William A.1
- Sunrise Cooperative Farm Community.1
- Swartzentruber, Anne.1
- Swomley, John M., 1915-1
- Swomley, John M., 1915-2010.1
- Thomas, Emma (Mattoon)1
- Thomas, Emma Mattoon.1
- Thomas, Evan W. (Evan Welling), 1890-1974.1