- Riddles, Arabic1
- Riddles, Turkish1
- Rifāʻī, Aḥmad ibn ʻAlī, 1106?-11821
- Right of property (Islamic law)1
- Romania1
- Salutations--Religious aspects--Islam1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Satellites--Phases1
- Saudi Arabia--Medina1
- Science1
- Selim II, Sultan of the Turks, 1524-15741
- Sex customs1
- Sharḥ Bānat Suʻād (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Sharḥ Īsāghūjī (Kātī, Ḥusām al-Dīn al-Ḥasan)1
- Shaykhī1
- Shiites1
- Short stories1
- Shīʻah1