Author
- Sirājī, Shihāb al-Dīn1
- Sixtus IV1
- Smoyel1
- Tabrīzī, ḥasan ibn Sharaf, d. 13681
- Taddeo Alderotti1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?1
- Taj al-Din al-Subki1
- Taqī al-Dīn Abū Bakr ibn Muḥammad al-Ḥiṣnī1
- Thomas Malyus1
- Thomas Waleys1
- Thomas à Kempis1
- Titus Livius1
- Todros ben Joseph Abulafia1
- Torelli family1
- Uffizio della mercanzia of Florence1
- Ulugh Beg1
- Università de' mercanti (Siena)1
- Urban V1
- Usuard1
- Uthman bin Ali Zayla'i1