- Predestination (Islam)1
- Prescriptions, formulae, receipts, etc.1
- Printed waste1
- Privileges and immunities, Ecclesiastical1
- Processionals (Liturgical books)1
- Processionals (Service books)1
- Prophets, Pre-Islamic1
- Prose literature1
- Protogothic1
- Pythagoras and Pythagorean school1
- Quatrains, Persian1
- Qurʼan--Manuscripts1
- Qāyitbāy al-Maḥmūdī, Sultan of Egypt and Syria, 1412-14961
- Recitations1
- Regula (Benedict, Saint, Abbot of Monte Cassino)1
- Religious life--Islam1
- Rhetoric, Ancient1
- Robert, King of Naples, approximately 1275-13431
- Roman law1
- Romances, Latin (Medieval and modern)1