Author
- Sriharsha1
- Stefano Fieschi1
- Stefano d'Andrea1
- Sulaimān Ibn-ʿUmar al- Ǧamal al-ʿUǧaili1
- Sulaymān ibn Aḥmad1
- Sun'ullah Gaybı̂1
- Syihabuddin al-Qaliyubi1
- Taddeo Alderotti1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?1
- Taqi al-Din al-Subki1
- Theodosius of Bithynia1
- Thomas Blount1
- Thomas Howard, 4th Duke of Norfolk1
- Thomas à Kempis1
- Todros ben Joseph Abulafia1
- Tryaṃbaka Paṇḍita1
- Tulsidas1
- Tunakabuni1
- Turmeda, Anselm, 1352-1432?1
- Tāj al-Millah wa-al-Dīn Kāshānī1