- Qārī al-Harawī, ʻAlī ibn Sulṭān Muḥammad, -1605 or 1606. Arbaʻūn ḥadīth1
- Qūshjī, ʻAlī ibn Muḥammad, d. 1474 or 5. Sharḥ al-jadīd ʻalá Tajrīd al-ʻaqāʼid1
- Rajab1
- Ramlī, Aḥmad ibn Aḥmad, -1563 or 1564. Shurūṭ al-maʼmūm wa-al-imām1
- Relations1
- Religious life1
- Rent (Islamic law)1
- Rhetoric1
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1
- Salat1
- Sales (Islamic law)1
- Salutations--Religious aspects--Islam1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Samtī, Yūsuf ibn Khālid, -805 or 8061
- Satellites--Phases1
- Science, Medieval1
- Sharḥ al-Ishārāt (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Sharḥ al-Qūshjī ʻalá Tajrīd al-ʻaqāʼid lil-Ṭūsī (Qūshjī, ʻAlī ibn Muḥammad)1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)1