- Paul, the Deacon, approximately 720-799?1
- Paul, the Hermit, Saint, -approximately 3411
- Pecia1
- Pego, Jacobus de1
- Penance1
- Penmanship1
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philosophers, Ancient1
- Philosophers, Ancient--Biography1
- Philosophy and religion1
- Philosophy, Ancient1
- Physical appearance of Jesus Christ1
- Physics (Aristotle)1
- Physiognomy1
- Piccinino, Nicolo, -14441
- Piccolomini family1
- Piccolomini, Andrea1
- Pigskin bindings1