Author
- Pietro Parenzi1
- Pius IV1
- Placentinus1
- Pliny the Elder1
- Podestà of Monticchiello (Italy)1
- Polo, Marco, 1254-1323?1
- Pomponius Mela1
- Porphyry1
- Prince-Bishopric of Toul1
- Procopius1
- Prosdocimus de Beldemandis1
- Prosper of Aquitaine1
- Pseudo-Andronicus of Rhodes1
- Pseudo-Bede1
- Pseudo-Bonaventure1
- Pseudo-Cyprian1
- Pseudo-Dionysius the Areopagite1
- Pseudo-Eusebius of Cremona1
- Pseudo-Hippocrates1
- Pseudo-Jerome1