- Sufism--Doctrines5
- Summa theologica (Thomas, Aquinas, Saint)1
- Suyūṭī, 1445-1505. Farīdah fī al-naḥw wa-al-taṣrīf wa-al-khaṭṭ1
- Suyūṭī, 1445-1505. Jamʻ al-jawāmiʻ fī al-naḥw1
- Switzerland2
- Switzerland--Lucerne1
- Syria6
- Syria--Aleppo1
- Syria--Damascus2
- Syria--Ṣāliḥīyah1
- Syriac scripts1
- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Tables6
- Tables (Data)4
- Tadhkirah fī ʻilm al-hayʼah (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)3
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Irshād al-hādī1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Talwīḥ ilá kashf ḥaqāʼiq al-Tanqīḥ3
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Ḥāshiyah ʻalá al-Kashshāf1
- Tahdhīb al-manṭiq wa-al-kalām (Taftāzānī, Masʻūd ibn ʻUmar)3
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)6