- Religious life--Islam2
- Resurrection (Islam)1
- Rhetoric1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Saudi Arabia--Mecca1
- Seventeenth century10
- Shafiites1
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i Jahānʹnumā1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)2
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shaykhī3
- Shaykhī--Doctrines2
- Shiites3
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr1
- Shādhilīyah2
- Shīʻah1
- Shīʻah--Customs and practices1
- Shīʻah--Doctrines13
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Risālah al-fatḥīyah1