- Riddles, Arabic1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798-1873. Ghurar al-farāʼid1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798-1873. Laʼālī al-muntaẓimah fī ʻilm al-manṭiq wa-al-mīzān1
- Samarqandī, Muḥammad ibn Ashraf, 13th cent. Risālah fī ādāb al-baḥth1
- Samāʻ al-ṭabīʻī (Avicenna)1
- Satellites--Phases1
- Saudi Arabia--Medina1
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah1
- Science1
- Science, Medieval1
- Shafiites1
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i Jahānʹnumā1
- Sharḥ Tahdhīb al-manṭiq (Dawwānī, Muḥammad ibn Asʻad)1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shirwānī, Masʻūd ibn Ḥusayn, -1499 or 1500. Sharḥ ʻalá Risālah fī ādāb al-baḥth1
- Shirwānī, Masʻūd ibn Ḥusayn, d. 1499 or 1500. Sharḥ ʻalá Risālah fī ādāb al-baḥth1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr1
- Shīrāzī, Shukr Allāh ibn Qāsim. Mufīd al-Mukhtaṣar1
- Shīʻah--Customs and practices1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Risālah al-fatḥīyah1