Author
- Pietro Bembo1
- Pietro Magno1
- Pinḥas ben Avraham Ḥai Ashkenazi1
- Pliny the Elder1
- Pliny the Younger1
- Plutarch1
- Pomponius Mela1
- Porcellio1
- Prayer books1
- Proclus1
- Prosper of Aquitaine1
- Pseudo-Bede1
- Pseudo-Dionysius of Halicarnassus1
- Pseudo-Eusebius of Cremona1
- Pseudo-Hegesippus1
- Pseudo-Jerome1
- Pseudo-Joachim of Fiore1
- Pseudo-Maximus the Confessor1
- Publius Papinius Statius1
- Rabanus Maurus1