Author
- Pedro Mexía1
- Peter Cantor1
- Peter Damian1
- Petrus Veronensis1
- Pier Paolo Vergerio the Elder1
- Pietro Barozzi1
- Poggio Bracciolini1
- Priscian1
- Proclus1
- Publius Papinius Statius1
- Quintus Aurelius Symmachus1
- Ramon Llull1
- Raymond of Penyafort1
- Raymundus de Salgis1
- Real Monasterio de Santa Clara1
- Remigius of Auxerre1
- Richard Brooke1
- Richard Fishacre1
- Richard of Saint Victor1
- Roger Waltham1