Names
- Silliman, Benjamin, 1816-1885.1
- Sinclair, Upton, 1878-19681
- Sinclair, Upton, 1878-1968.1
- Smith, George Jay, 1866-1
- Smith, George Jay, 1866-1938.1
- Socialist Party (U.S.)1
- Steere, Joseph Beal, 1842-1940.1
- Stevenson, Burton Egbert, 1872-1962.1
- Stevenson, John James, 1841-1924.1
- Stidger, William L. (William LeRoy), 1886-1
- Stidger, William Leroy, 1885-1949.1
- Stoner, Winifred Sackville, -19311
- Stoner, Winifred Sackville, -1931.1
- Strong, Edwin Atson, 1834-1920.1
- Syracuse University1
- Syracuse University.1
- Tappan, Henry Philip, 1805-1881.1
- Tarbell, Ida M. (Ida Minerva), 1857-1944.1
- Tarbell, Ida Minerva, 1857-1944.1
- The People's Chorus of New York1