- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah1
- Ramlī, Muḥammad ibn Aḥmad, 1513-1596. Sharḥ al-Sittīn masʼalah1
- Real property (Islamic law)1
- Responsa1
- Resurrection (Islam)1
- Riyāḍ al-ṣāliḥīn (Nawawī)1
- Rodents--Religious aspects--Islam1
- Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, active 12th century. Waqf wa-al-ibtidāʼ1
- Salutations--Religious aspects--Islam1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
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- Science1
- Sex--Religious aspects--Islam1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1
- Sharḥ Tahdhīb al-manṭiq (Dawwānī, Muḥammad ibn Asʻad)1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Sharḥ Īsāghūjī (Kātī, Ḥusām al-Dīn al-Ḥasan)1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr1
- Sittūn masʼalah fī al-fiqh (Zāhid, Aḥmad ibn Muḥammad)1