- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)2
- Symbolism of numbers2
- Syria--Ḥamāh2
- Syria--Ṣāliḥīyah2
- Syriac language2
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Risālah fī fann al-munāẓarah2
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?. Sharḥ al-Shamsīyah2
- Thaqafī, al-Mukhtār ibn Abī ʻUbayd, 622 or 623-687 or 6882
- To 6222
- Turbans--Religious aspects--Islam2
- Turkish language--Synonyms and antonyms2
- Turkish poetry--15th century2
- Ukraine--Kam'i︠a︡net︠s︡ʹ-Podilʹsʹkyĭ2
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār2
- Ustarūshanī, Muḥammad ibn Maḥmūd, -1234 or 1235. Fuṣūl2
- Vellum bindings2
- Water--Religious aspects--Islam2
- Weights and measures2
- Weights and measures (Islamic law)2
- Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm, fl. 1257. Taṣrīf al-ʻIzzī2