Names
- Simmons, Henry M. (Henry Martyn), 1841-1905.1
- Simmons, Henry Martyn, 1841-1
- Simmons, Henry Martyn, b. 1841.1
- 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
- Society for the Advancement of India1
- Stevenson, Burton Egbert, 1872-1962.1
- Stidger, William L. (William LeRoy), 1886-1
- Stidger, William Leroy, 1885-1949.1
- Stoner, Winifred Sackville, -19311
- Stoner, Winifred Sackville, -1931.1
- Sunderland, Eliza Read, 1839-1910.1
- Sunderland, Jabez Thomas, 1842-19361
- Tarbell, Ida M. (Ida Minerva), 1857-1944.1
- Tarbell, Ida Minerva, 1857-1944.1
- The People's Chorus of New York1
- The Woman's Pro-League Council1