Encyclopedias, Almanacs, Transcripts, and Maps
- Theophile Bonet
- Théophile de Bordeu
- Theophilus Presbyter
- Théophraste Renaudot
- Theophrastus of Eresus
- Theories of the Origin and Early Evolution of Life
- Theory and Experiment Redefine Medical Practice and Philosophy
- Theosophical History (Journal)
- Theosophical Society of Agrippa
- Therapeutic Innovations Related to Respiration
- Therapy and Enhancement
- Thermal Death
- Thermosbaenaceans: Thermosbaenacea
- Thian-ti-hwii
- Thick-Knees: Burhinidae
- Things of Sacred Power
- Third Nerve Palsy
- Thomas Alva Edison
- Thomas Andrews
- Thomas Bartholin