Author
- Pietro Barozzi1
- Pietro Flores1
- Pietro Paolo Muscarello1
- Pir Mehmet bin Evrenos bin Nureddin Zaifî1
- Pius IV1
- Plato1
- Platonic Academy1
- Pliny the Elder1
- Podius, Milanutius1
- Polo, Marco, 1254-1323?1
- Pomponius Mela1
- Porcellio1
- Prayer books1
- Priori (Florence)1
- Proclus1
- Pseudo-Augustine1
- Pseudo-Bonaventure1
- Pseudo-Hegesippus1
- Pseudo-Joachim of Fiore1
- Ptolemaeus Tancredius1