- Persian letters1
- Prayers and devotions1
- Quadrants (Astronomical instruments)1
- Qurʼan. Sūrat Hūd1
- Qurʼan. Sūrat Yāsīn1
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ Mulakhkhaṣ fī al-hayʼah1
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ al-Mulakhkhaṣ fī al-hayʼah1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Risālah fī al-hayʼah1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah1
- Qūshjī, ʻAlī ibn Muḥammad, d. 1474 or 5. Risālah dar hayʼat1
- Recitations1
- Religious life--Islam1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)1
- Satellites--Phases1
- Shaykhī1
- Shīʻah1
- Solar eclipses1
- Tadhkirah fī ʻilm al-hayʼah (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1