Names
- Rose, John Holland, 1855-1942.1
- Ruthven, Alexander Grant, 1882-1
- Ruthven, Alexander Grant, 1882-1971.1
- Sankey, Ira David, 1840-1908.1
- Sarton, George, 1884-1956.1
- Sawyer, Walter H. (Walter Hulme), 1861-1931.1
- Schelling, Felix Emmanuel, 1858-1945.1
- Schevill, Ferdinand, 1868-1954.1
- Schlesinger, Arthur Meier, 1888-1965.1
- Scribner, Charles, 1854-1930.1
- Seligman, Edwin Robert Anderson, 1861-1939.1
- Sellery, George C. (George Clarke), 1872-1
- Shorts, Robert P. (Robert Perry), 1879-1975.1
- Shorts, Robert Perry, 1879-1
- Shotwell, Ambrose Milton, 1853-1
- Shotwell, James Thomson, 1874-1965.1
- Shryock, Richard Harrison, 1893-1972.1
- Siebert, Wilbur Henry, 1866-1961.1
- Singer, Charles Joseph, 1876-1960.1
- Singer, Dorothea (Waley)1