- Smallpox--Vaccination1
- Soul1
- Soul--Islam--History of doctrines1
- Southern Arabia1
- Space and time--Religious aspects--Islam1
- Speeches, addresses, etc., Arabic1
- Sphere1
- Spherical trigonometry1
- Spiritual healing1
- Spiritual life--Islam1
- Stars--Names1
- Subkī, Taqī al-Dīn ʻAlī ibn ʻAbd al-Kāfī, 1284-13551
- Sufi music1
- Sufi poetry, Persian1
- Sufis--Biography1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? ʻUqūd al-Maqūlāt1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? ʻUqūd al-maqūlāt1
- Sullam al-ʻulūm (Bahārī, Muḥibb Allāh ibn ʻAbd al-Shakūr)1
- Sultans1