- Philosophy, Arab1
- Physics1
- Prayers and devotions1
- Precious stones1
- Proverbs, Arabic1
- Qazwīnī, ʻAlī ibn ʻUmar, 1203 or 1204-1276 or 1277. Risālah al-Shamsīyah fī al-qawāʻid al-manṭiqīyah1
- Religious life--Islam1
- Riddles, Arabic1
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1
- Sales (Islamic law)1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Samāʻ al-ṭabīʻī (Avicenna)1
- Satellites--Phases1
- Saudi Arabia--Mecca1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Sharḥ Īsāghūjī (Kātī, Ḥusām al-Dīn al-Ḥasan)1
- Shaykhī--Doctrines1
- Shirwānī, Masʻūd ibn Ḥusayn, -1499 or 1500. Sharḥ ʻalá Risālah fī ādāb al-baḥth1
- Soul--Islam1