Encyclopedias, Almanacs, Transcripts, and Maps
- Thwing, Edward, Bl.
- Thwing, Thomas, Bl.
- Thyräus, Hermann
- Tiantai School
- Tiara, Papal
- Tibbon, Ibn
- Tiberius Julius Alexander
- Tiberius, Roman Emperor
- Tibesar, Antonine
- Tibet, The Catholic Church in
- Tibni
- Tibullus, Albius°
- Ticho, Anna
- Tidhar, David
- Tieffentaller, Joseph
- Tiempo, César
- Tierney, Richard Henry
- Tietz
- Tigay, Jeffrey H(oward)
- Tigerman, Stanley