- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i jahānʹnumā1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Shaykhī1
- Shaʻbān1
- Shīrāzī, Shukr Allāh ibn Qāsim. Mufīd al-Mukhtaṣar1
- Soul--Islam1
- Taqlīd1
- Turkey1
- Watermarks1
- Wills, Ethical1
- Women (Islamic law)1
- autographs (manuscripts)1
- calligraphy (visual works)1
- commentaries1
- envelope flaps (features)1
- frame covers1