- Tanbīh (Fīrūzābādī al-Shīrāzī, Abū Isḥāq Ibrāhīm ibn ʻAlī ibn Yūsuf)1
- Tancredini, Giovanni1
- Tancredini, Lorenza1
- Taviani, Alamanno1
- Tax collection1
- Tempio francescano di S. Lorenzo (Vicenza, Italy)1
- Tenth of Tevet1
- Tetragrammaton1
- Thamāniyat fuṣūl (Maimonides, Moses)1
- Theban Legion (Legendary saints)1
- Theology, Practical1
- Theology--Study and teaching--Catholic Church1
- Theseus, King of Athens1
- Thilla, Berto1
- Third Order Regular of St. Francis1
- Third Order Secular of St. Francis1
- Third orders1
- Thomas, Aquinas, Saint, 1225?-12741
- Thomists1
- Thumb indexes1