Author
- Matthew Paris1
- Michell Archer1
- Miles Huggarde1
- Nicholas of Salerno1
- Oglerio di Lucedio1
- Peter Cantor1
- Peter of Limoges1
- Philip Sidney1
- Pietro de' Crescenzi1
- Polo, Marco, 1254-1323?1
- Priscian1
- Pseudo-Bonaventure1
- Pseudo-Cyprian1
- Pseudo-Seneca1
- Publilius Syrus1
- Ranulf Higden1
- Robert Grosseteste1
- Robert de Sorbon1
- Robert of Gloucester1
- Seneca1