- Pero, Antonio del1
- Pero, Gaspero del1
- Perocti, Maruccio1
- Persephone (Greek deity)1
- Personal correspondence1
- Perush Rashi ʻal ha-Torah (Rashi)1
- Perush ha-Torah (Naḥmanides)1
- Peter, the Apostle, Saint1
- Petrini, Mattea1
- Petronibus, Agabitus de1
- Petronibus, Ludovicus Salimbeni de1
- Petronibus, Petronius Caterini de1
- Petronibus, Petronius de1
- Petrus Textor1
- Phaedra (Greek mythological character)1
- Pharsalia (Lucan)1
- Philip II, King of Spain, 1527-15981
- Philosophers1
- Phlebotomy1
- Physics (Aristotle)1