- Stefano, Caterina di1
- Stefano, Guida di1
- Stefano, Niccolò di1
- Stefano, Simone di1
- Strozzi, Giovanni1
- Strozzi, Niccolò1
- Sufi literature1
- Sufi poetry, Arabic1
- Sufis1
- Sufis--Biography1
- Sunna1
- Surgery1
- Surgical instruments and apparatus1
- Sveti Nikola (Abbey : Šibenik, Croatia)1
- Symbolism1
- Symbolism of numbers1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Talwīḥ ilá kashf ḥaqāʼiq al-Tanqīḥ1
- Tahdhīb al-Kamāl fī asmāʼ al-rijāl (Mizzī, Yūsuf ibn al-Zakī ʻAbd al-Raḥmān)1
- Talismans1
- Talkhīṣ aʻmāl al-ḥisāb (Ibn al-Bannāʼ, Aḥmad ibn Muḥammad)1