Author
- Peter Olivi1
- Petronia Lancenberg1
- Petrus Comestor1
- Pierre Froissard1
- Pierre Poquet1
- Pierre de Luxembourg1
- Pietro Marcello1
- Plato1
- Poggio Bracciolini1
- Pseudo-Augustine1
- Pseudo-Cicero1
- Pseudo-Dionysius of Halicarnassus1
- Raimondo Marliani1
- Ranulf Higden1
- Richard of Saint Victor1
- Robert Ashley1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Rolandino de' Passaggeri1
- Roman Catholic Archdiocese of Reims1