- Targum sheni1
- Tarquinius Superbus, Lucius, King of Rome, active 534 B.C.-510 B.C.1
- Tasʹhīl al-fawāʼid wa-takmīl al-maqāṣid (Ibn Mālik, Muḥammad ibn ʻAbd Allāh)1
- Taxation1
- Taxation, Papal1
- Tempio francescano di S. Lorenzo (Vicenza, Italy)1
- Textbooks1
- Theban Legion (Legendary saints)1
- Theology, Doctrinal--Middle Ages1
- Third Order Regular of St. Francis1
- Thirteenth century1
- Toledo, Pedro de, 1484-15531
- Toxins1
- Travel1
- Trials (Heresy)1
- Trigonometry1
- Trinity1
- Trionfi (Petrarca, Francesco)1
- Troilus (Legendary character)1
- Turkish Wars (Venice, Italy : 1453-1571)1