Author
- Philip the Bold1
- Philippus Brusserius1
- Pierre Choisnet1
- Pierre Mathieu1
- Pietro d'Abano1
- Platonic Academy1
- Pliny the Elder1
- Pliny the Younger1
- Plutarch1
- Podestà of Monterubbiano (Italy)1
- Podestà of Perugia1
- Porcellio1
- Prince-Bishopric of Toul1
- Priori (Florence)1
- Priscian1
- Pseudo Bernard of Clairvaux1
- Pseudo-Augustine1
- Pseudo-Bonaventure1
- Pseudo-Dionysius of Halicarnassus1
- Pseudo-Seneca1