- Riddles, Persian2
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz2
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth2
- Sermons2
- Sharḥ al-Ishārāt (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)2
- Sharḥ al-Qūshjī ʻalá Tajrīd al-ʻaqāʼid lil-Ṭūsī (Qūshjī, ʻAlī ibn Muḥammad)2
- Sharḥ al-Ājurrūmīyah (Azharī, Khālid ibn ʻAbd Allāh)2
- Shirwānī, Masʻūd ibn Ḥusayn, -1499 or 1500. Sharḥ Risālah fī ādāb al-baḥth2
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr2
- Shīʻah--Customs and practices2
- Sin--Islam2
- Solitude--Religious aspects--Islam2
- Syria2
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Risālah fī fann al-munāẓarah2
- Tadhkirah fī ʻilm al-hayʼah (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)2
- Teeth--Care and hygiene2
- Teeth--Religious aspects--Islam2
- Time measurements2
- Toothpicks2
- Translations2