- Palmistry1
- Persian language--Glossaries, vocabularies, etc--Early works to 18001
- Persian language--Grammar1
- Persian language--Lexicography1
- Persian poetry1
- Pharaohs1
- Philosophy1
- Philosophy, Ancient1
- Philosophy, Arab1
- Qiblah1
- Quadrants (Astronomical instruments)1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Shīʻah1
- Shīʻah--Customs and practices1
- Shīʻah--Doctrines1
- Signification (Logic)1