Author
- Siraj al-Din al-Bulqini1
- Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī1
- Sirājī, Shihāb al-Dīn1
- Tabrīzī, ḥasan ibn Sharaf, d. 13681
- Taddeo Alderotti1
- Taqī al-Dīn Abū Bakr ibn Muḥammad al-Ḥiṣnī1
- Thomas Waleys1
- Thomas à Kempis1
- Titus Livius1
- Ulugh Beg1
- Urban V1
- Usuard1
- Vegetius1
- Vigliano d'Asti1
- Walter Burley1
- Werner Rolevinck1
- William of Montlauzun1
- William of St-Thierry1
- Yosef ben Moshe Ḳilṭi1
- Yūsuf ibn Maḥmūd Ẓahrānī1