- Thompson, T. O., author1
- Thomson, J. Arthur (John Arthur), 1861-1933 author1
- Thomson, J. Arthur (John Arthur), 1861-1933, author1
- Thorndike, Edward L. (Edward Lee), 1874-1949 author1
- Tiger, Dana, 1961-1
- Tilghman, R. Carmichael, 1904-1999, author1
- Tilney, Frederick, 1875-1938, author1
- Tilton General Hospital, author.1
- Tobey, Rufus Babcock, 1849-1920 author1
- Tobin, Lester M., author1
- Todd, C. H., author1
- Todd, John L. (John Lancelot), 1876-1949, author1
- Toland, Edward Dale, 1886-, author1
- Tolegian, Manuel J. (Manuel Jerair), 1911-1983, artist1
- Tondorf, Francis A. (Francis Anthony), 1870-19291
- Tonndorf, Juergen, author1
- Toulouse-Lautrec, Henri de, 1864-19011
- Tourscher, Francis E., 1870-1939 compiler1
- Train, Percy, author1
- Trask, John W., 1877-1951, author4