Author
- Paul of Venice1
- Peter Lombard1
- Peter of Limoges1
- Pietro Paolo Muscarello1
- Poggio Bracciolini1
- Porcellio1
- Priscian1
- Pr̥thuyaśas1
- Pseudo Bernard of Clairvaux1
- Pseudo-Aristotle1
- Pseudo-Seneca1
- Ptolemy1
- Publilius Syrus1
- Raghuvīra Audīcya1
- Ramacandra Tīrtha1
- Ramananda1
- Ramon Llull1
- Raymond of Penyafort1
- Remigio dei Girolami1
- Renchius, Henricus1