- Summa theologica (Thomas, Aquinas, Saint)3
- Sundials3
- Syriac bindings3
- Sāvitrī (Hindu deity)3
- Sīrat Rasūl Allāh (Ibn Hishām, ʻAbd al-Malik)3
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Sharḥ al-mukhtaṣar3
- Tales3
- Tanqīḥ al-uṣūl (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)3
- Ten commandments3
- Thomas, Aquinas, Saint, 1225?-12743
- Timekeeping3
- Tolomei, Lelio3
- Traditional medicine--Formulae, receipts, prescriptions3
- Trials (Heresy)3
- Trinity3
- Turks3
- Upanishads. Aitareyopaniṣad3
- Upanishads. Br̥hadāraṇyakopaniṣad3
- Upanishads. Praśnopaniṣad3
- Upanishads. Īśopaniṣad3