- Sufis--Biography1
- Summa theologica (Thomas, Aquinas, Saint)1
- Switzerland1
- Switzerland--Jura1
- Synagogues1
- Syria1
- Syria--Damascus1
- Syriac scripts1
- Talbot, Gilbert, Sir, of Grafton1
- Tales1
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Talmud1
- Tamil language1
- Tanqīḥ al-uṣūl (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Tarquinius Superbus, Lucius, King of Rome, active 534 B.C.-510 B.C.1
- Ten commandments1
- Tenth of Muḥarram1
- Tetragrammaton1
- Textbooks--for foreign speakers1
- Theology, Doctrinal--Middle Ages1