- Sufi chants1
- Sufism1
- Sufism--Doctrines1
- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)1
- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Sharḥ al-mukhtaṣar1
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Terminology1
- Yemen (Republic)--Zabīd1
- blind-tooled (decoration)1
- codices (bound manuscripts)1
- compilation manuscripts1
- diagrams1
- holographs (autographs)1
- impressed watermarks1
- manuscripts (documents)1
- tables (documents)1
- Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad, d. 1355? Risālat al-waḍʻ1
- Īsāghūjī (Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar)1
- ʻAlī ibn Abī Ṭālib, Caliph, approximately 600-6611