- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)5
- Sullam al-ʻulūm (Bahārī, Muḥibb Allāh ibn ʻAbd al-Shakūr)2
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Risālah fī fann al-munāẓarah4
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Tartīb al-ʻulūm1
- Sīwāsī, ʻAlī ibn ʻUmar. Mīzān al-manṭiq1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Sharḥ al-Mukhtaṣar1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389? Sharḥ al-Shāfīyah1
- Taftāzānī, Masʻūd ibn ʻUmar, 1322-1389?. Sharḥ al-Shamsīyah5
- Tahdhīb al-manṭiq wa-al-kalām (Taftāzānī, Masʻūd ibn ʻUmar)45
- Tahdhīb Īsāghūjī1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)4
- Talismans3
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Tarkasaṅgraha (Annambhaṭṭa)8
- Tarkāmr̥ta (Jagadīśatarkālaṅkāra)1
- Tattvacintāmaṇi (Gaṅgeśa)26
- Tattvacintāmaṇidīdhiti (Raghunātha Śiromaṇi)12
- Taʻlīm al-mutaʻallim ṭarīq al-taʻallum (Zarnūjī, Burhān al-Dīn)1
- Terminology10