- Revelation--Islam1
- Riddles, Persian1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Riyāḍ al-ṣāliḥīn (Nawawī)1
- Rodents--Religious aspects--Islam1
- Romances2
- Roosters1
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)1
- Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, active 12th century. Waqf wa-al-ibtidāʼ1
- Salat4
- Salutations--Religious aspects--Islam1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt5
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth3
- Sanbāṭī, Aḥmad ibn ʻAbd al-Ḥaqq, active 16th century. Sharḥ al-Basmalah wa-al-ḥamdalah1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Mukhtaṣar fī al-manṭiq2
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Sharḥ al-Mukhtaṣar fī al-manṭiq1
- Saudi Arabia--Mecca2
- Saʻdī Chalabī, Saʻd Allāh ibn ʻĪsá, -1538 or 1539. Ḥāshiyah ʻalá Anwār al-tanzīl1
- Science3
- Science, Medieval1