Encyclopedias, Almanacs, Transcripts, and Maps
- Thomas Hodgkin
- Thomas Huckle Weller
- Thomas Hunt Morgan
- Thomas Hunt Morgan
- Thomas J. Watson, Sr
- Thomas Jan Stieltjes
- Thomas Jefferson
- Thomas Jefferson National Accelerator Facility
- Thomas Johann Seebeck
- Thomas K. Mattingly
- Thomas Linacre
- Thomas Livingstone Mitchell
- Thomas Lombe
- Thomas Manning
- Thomas Midgley Jr
- Thomas O. Selfridge
- Thomas P. Stafford
- Thomas Park
- Thomas Penyngton Kirkman
- Thomas Percival