Encyclopedias, Almanacs, Transcripts, and Maps
- Thomas Pownall
- Thomas R. Cech
- Thomas Raynalde
- Thomas Robert Malthus
- Thomas Savery
- Thomas Savery
- Thomas Simpson
- Thomas Telford
- Thomas the Rhymer (fl. 1220)
- Thomas Tompion
- Thomas Watson
- Thomas Wharton
- Thomas Willis
- Thomas Wright
- Thomas, C(harles) Drayton (1867-1953)
- Thomas, John F(rederick) (1874-1940)
- Thompson, Rosina (1868-?)
- Thompson, William Irwin (1938-)
- Thomson, Joseph John
- Thoralf Albert Skolem