- Qurʼan. Sūrat al-Aʻrāf3
- Qurʼan. Sūrat al-Nisāʼ3
- Qurʼan. Sūrat Ṭāhā3
- Raised bands3
- Registers (Lists)3
- Regula (Augustine, of Hippo, Saint)3
- Regula (Benedict, Saint, Abbot of Monte Cassino)3
- Religions3
- Riddles, Turkish3
- Romances, Latin (Medieval and modern)3
- Sacraments3
- Samarqandī, Muḥammad ibn Yūsuf, -1160 or 1161. Fiqh al-nāfiʻ3
- Sayings3
- Sefer ha-Mizraḥi (Mizraḥi, Elijah)3
- Sequences (Music)3
- Sermons, Early Christian3
- Sharāʼiʻ al-Islām (Muḥaqqiq al-Ḥillī, Jaʻfar ibn al-Ḥasan)3
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)3
- Sharḥ al-Risālah al-Ḥusaynīyah3
- Shaykhī--Doctrines3