- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-jadīd ʻalá Tajrīd al-ʻaqāʼid1
- Qūshjī, ʻAlī ibn Muḥammad, d. 1474 or 5. Sharḥ al-jadīd ʻalá Tajrīd al-ʻaqāʼid1
- Rainbows1
- Ramlī, Muḥammad ibn Aḥmad, 1513-1596. Nihāyat al-muḥtāj ilá sharḥ al-Minhāj1
- Ramlī, Muḥammad ibn Aḥmad, 1513-1596. Sharḥ al-Sittīn masʼalah1
- Real property (Islamic law)1
- Rebacking1
- Religions1
- Religious calendars--Islam1
- Religious minorities--Legal status, laws, etc.1
- Rent (Islamic law)1
- Rhetoric1
- Riddles1
- Riddles, Arabic1
- Riddles, Persian1
- Riddles, Turkish1
- Risālah al-Ḥusaynīyah1
- Rodents--Religious aspects--Islam1
- Roosters1
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1