- Sharḥ al-Ishārāt (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Shiites1
- 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
- Sixteenth century1
- Sufi chants1
- Sufis1
- Symbolism1
- Tables1
- Timekeeping1
- Traditional medicine1
- Trivia and miscellanea1
- Turkah, Muḥammad ibn Ḥabīb Allāh, active 14th century. Qawāʻid al-tawḥīd1
- Turkey1
- Umm al-barāhīn fī ʻilm al-kalām (Sanūsī, Muḥammad ibn Yūsuf)1
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār1
- Watermarks1
- Waṣīyah (Abū Ḥanīfah)1