Author
- Peter Lombard1
- Peter of Limoges1
- Poggio Bracciolini1
- Porcellio1
- Priscian1
- Pseudo Bernard of Clairvaux1
- Pseudo-Hippocrates1
- Pseudo-Seneca1
- Publilius Syrus1
- Ramon Llull1
- Raymond of Penyafort1
- Remigio dei Girolami1
- Renchius, Henricus1
- Reynoldus Romanus1
- Rogerius1
- Serapion the Younger1
- Sylvester II1
- Theobaldus Episcopus1
- Theophrastus1
- Thomas of Capua1