- Qūshjī, ʻAlī ibn Muḥammad, d. 1474 or 5. Risālah dar hayʼat2
- Rainbows2
- Religious life--Hinduism2
- Riddles, Turkish2
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs2
- Sanskrit language2
- Sex2
- Shaykhī2
- Shiite shrines2
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr2
- Style manuals2
- Sufi chants2
- Sufi literature2
- Sufi literature, Persian2
- Sufi poetry2
- Sufi poetry, Turkish2
- Syriac language2
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)2
- Tales2
- Thaqafī, al-Mukhtār ibn Abī ʻUbayd, 622 or 623-687 or 6882