Creator
- Smith, Viola, 1918-19451
- Smith, William (Smith, Jr, William J. P.)1
- Snell, C. Perry, 1869-19421
- Snodgrass, Dena E.1
- Snodgrass, Dena Elizabeth1
- Snyder, Frank L. (1924-1993)1
- Snyder, Helen-Louise (Helen-Louise Davenport Snyder)1
- Snyder, Walter Fifield (-1993)1
- Sociedad de Socorro Mutuos la Fraternidad1
- Sociedad la Unión Martí-Maceo (Tampa, Fla.)1
- Society of Foliophiles1
- Soder, Bob 1
- Sokoloff, Boris Theodore1
- Sokolowski, Sophie1
- Soldwedel, Bette J.1
- Sollee, Arthur N., 1900-19841
- Solomon, Eli1
- Sorenson, Paul 1
- Southwest Florida Library Network1
- Southwest Florida Water Management District (Fla.)1