- Perini, Francesco, 1811-18831
- Pero, Antonio del1
- Pero, Gaspero del1
- Perocti, Maruccio1
- Perpetual calendars1
- Persecution1
- Persecution--Early church1
- Peru1
- Petitions1
- Petrini, Mattea1
- Petronibus, Agabitus de1
- Petronibus, Ludovicus Salimbeni de1
- Petronibus, Petronius Caterini de1
- Petronibus, Petronius de1
- Petrus Textor1
- Petrus, de Herenthals, 1322-1390 or 13911
- Peucer, Kaspar, 1525-16021
- Pezel, Christoph, 1539-16041
- Phaedra (Greek mythological character)1
- Phalaris, Tyrant of Agrigentum, active 6th century B.C.1