Author
- Peter Damian1
- Peter Lombard1
- Petrus Veronensis1
- Philipp Melanchthon1
- Pier Paolo Vergerio the Elder1
- Pietro Barozzi1
- Poggio Bracciolini1
- Publius Papinius Statius1
- Quintus Aurelius Symmachus1
- Ramon Llull1
- Raymond of Penyafort1
- Raymundus de Salgis1
- Remigius of Auxerre1
- Richard Brooke1
- Richard Fishacre1
- Richard of Saint Victor1
- Roger Waltham1
- Sebastian of Naples1
- Seneca1
- Thomas Heneage1