Author
- Platonic Academy1
- Plautus1
- Pliny the Elder1
- Pliny the Younger1
- Plutarch1
- Podestà of Monterubbiano (Italy)1
- Podestà of Perugia1
- Polo, Marco, 1254-1323?1
- Pomponius Mela1
- Porcellio1
- Prince-Bishopric of Toul1
- Priscian1
- Procopius1
- Prosdocimus de Beldemandis1
- Pseudo Bernard of Clairvaux1
- Pseudo-Bede1
- Pseudo-Bonaventure1
- Pseudo-Dionysius of Halicarnassus1
- Pseudo-Dionysius the Areopagite1
- Pseudo-Eusebius of Cremona1