- Tahdhīb al-Kamāl fī asmāʼ al-rijāl (Mizzī, Yūsuf ibn al-Zakī ʻAbd al-Raḥmān)1
- Tahdhīb al-manṭiq wa-al-kalām (Taftāzānī, Masʻūd ibn ʻUmar)1
- Talbot, Gilbert, Sir, of Grafton1
- Taviani, Alamanno1
- Tax exemption1
- Tehinnot1
- Tello de Guzmán, Francisco, d. 16031
- Tenth of Muḥarram1
- Tetragrammaton1
- The Great Western Schism (1378-1417)1
- Theological anthropology--Islam1
- Theology, Doctrinal1
- Theology, Doctrinal--Middle Ages1
- Theology--Middle Ages1
- Theology--Study and teaching--Catholic Church1
- Thilla, Berto1
- Third Order Secular of St. Francis1
- Third orders1
- Thumb indexes1
- Ties1