Author
- Nemicandrasūri1
- Oglerio di Lucedio1
- Omar Khayyám1
- Order of the Argonauts of Saint Nicholas1
- Paul of Pergula1
- Paul of Venice1
- Peter of Limoges1
- Peter of Poitiers1
- Pierre Mésenge1
- Pietro Candido Decembrio1
- Pietro de' Crescenzi1
- Platonic Academy1
- Plautus1
- Pope1
- Porcellio1
- Pseudo-Augustine1
- Pseudo-Bede1
- Pseudo-Cicero1
- Pseudo-Seneca1
- Publilius Syrus1