- Qurʼan--Use--Early works to 18001
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Fatḥīyah1
- Religious calendars1
- Religious life--Islam1
- Resurrection (Islam)1
- Rites and ceremonies11
- Rāma (Hindu deity)1
- Rāma Daivajña, active 17th century. Muhūrtacintāmaṇi1
- Rāmacandra, Somayāji. Samarasāra--Early works to 18001
- Samaritans1
- 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--Mecca1
- Saudi Arabia--Medina1
- Scales (Weighing instruments)1
- Science, Medieval1
- Self (Philosophy)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Risālah fī bayān al-ʻamal bi-al-ālah allatī tusammá bi-al-Rubʻ al-mujayyab1
- Siva (Hindu deity)1