- Tahdhīb al-Kamāl fī asmāʼ al-rijāl (Mizzī, Yūsuf ibn al-Zakī ʻAbd al-Raḥmān)1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Talbot, Gilbert, Sir, of Grafton1
- Tax assessment1
- Tax exemption1
- Tehinnot1
- Tello de Guzmán, Francisco, d. 16031
- Theology1
- Time measurements1
- Tithes1
- Torres Bermúdez, Juan Ramón de, active 1780-17881
- Torres family1
- Trapez, Jacobus1
- Treviso (Italy). Podestà1
- Trials (Heresy)1
- Trials (Murder)1
- Trials (Poisoning)1
- Trials, litigation, etc.1
- Turenne, Antoine de La Tour d'Auvergne, vicomte de1
- Turkey--Erzincan1