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- Qurʼan. Sūrat al-Mulk1
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- Rajab1
- Ramadan1
- Riddles, Arabic1
- Rituals1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Muqaddimāt1
- Saudi Arabia--Mecca1
- Shafiites1
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr1
- Shīʻah1
- Shīʻah--Doctrines1
- Sin--Islam1
- Sprinkled papers1
- Sufi chants1
- Sufism--Customs and practices1
- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)1
- Sumtī, Yūsuf ibn Khālid1