- Persian language--Alphabet1
- Persian language--Grammar1
- Persian letters1
- Poetry1
- Pseudo-Ptolemy. Centiloquium1
- Quadrants (Astronomical instruments)1
- Qurʼan1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Fatḥīyah1
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ al-Jighmīnī1
- Qāḍīʹzādah, Mūsá ibn Muḥammad, -approximately 1436. Sharḥ al-Mulakhkhaṣ fī al-hayʼah1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Risālah fī al-hayʼah1
- Recitations1
- Religious life--Islam1
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs1
- Smoking (Islamic law)1
- 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
- Terminology1