- Pero, Antonio del1
- Pero, Gaspero del1
- Pesciori, Guglielmo1
- Petronibus, Agabitus de1
- Petronibus, Petronius Caterini de1
- Petronibus, Petronius de1
- Petrucci, Pandolfo, 1452-15122
- Phaedra (Greek mythological character)1
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philosophers, Ancient1
- Philosophers, Ancient--Biography1
- Philosophy3
- Philosophy and religion1
- Philosophy, Ancient1
- Physical appearance of Jesus Christ1
- Physicians2
- Physics2
- Physics (Aristotle)1