- Occultism1
- Offenses against religion1
- Orders of knighthood and chivalry1
- Ordre de Saint-Michel1
- Pablo de Santa Maria, Bishop of Burgos, approximately 1351-14351
- Paleography1
- Papal documents1
- Parchment (Paper)1
- Parishes1
- Pastoral poetry, French1
- Pastoral theology1
- Peace of Westphalia (1648)1
- Penmanship specimen books1
- Perfumes1
- Permet, Claude1
- Permet, Jean1
- Peter Martyr, Saint, approximately 1205-12521
- Phaedra (Greek mythological character)1
- Philip II, King of Spain, 1527-15981
- Philip IV, King of France, 1268-13141