Encyclopedias, Almanacs, Transcripts, and Maps
- The Youth's Companion
- Them
- This Is Your Life
- Thomas, Danny (1912-1991)
- Thomas, Isiah (1961—)
- Thomas, Lowell (1892-1981)
- Thomas, Marlo (1943—)
- Thompson, Hunter S. (1939—)
- Thompson, John (1941—)
- Thomson, Bobby (1923—)
- Thorogood, George (1952—)
- Thorpe, Jim (1888-1953)
- Three Investigators Series
- Three's Company
- Thurber, James (1894-1961)
- Tierney, Gene (1920-1991)
- Tiffany & Company
- Tijuana Bibles
- Timex Watches
- Tiny Tim (1927?-1996)