Encyclopedias, Almanacs, Transcripts, and Maps
- Theresienstadt
- Therry, John Joseph
- Thetford, Priory of
- Theudas
- Thévenet, Claudine, St.
- Thich Nhat Hanh
- Thieberger, Friedrich
- Thiel, Bernardo Augusto
- Thieme, Karl Otto°
- Thiemo, Bl.
- Thierry of Chartres
- Thierry of Fleury
- Thietmar (Dietmar) of Merseburg
- Thing
- Thinking with the Church, Rules for
- Thiofrid of Echternach
- Thionville
- Thionville (Diedenhofen), Councils of
- Thirkeld, Richard, Bl.
- Thistles and Thorns