- Persian language--Grammar2
- Persian language--Rhetoric2
- Persian language--Terms and phrases2
- Personal correspondence2
- Pharmacology2
- Philosophy2
- Philosophy, Ancient2
- Philosophy, Arab2
- Plants2
- Precious stones2
- Professions2
- Proverbs, Arabic2
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Risālah fī al-hayʼah2
- Rainbows2
- Riddles, Arabic2
- Riddles, Turkish2
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs2
- Science, Medieval2
- Sex customs2
- Shahjahan, Emperor of India, approximately 1592-16662