- Oviedo, Gregorio de, 1721-17961
- Oviedo, Nicolás de, 1725-1
- Palomino family1
- Pelayo, King of Asturias, -7371
- Perez Barahona, Juan, active 1560-15621
- Persecution1
- Peru (Viceroyalty). Real Caja de Cuzco1
- Peru--Cuzco1
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philippines--Manila1
- Physics--Philosophy1
- Pic̨arro, Diego1
- Pinos, Pedro de1
- Pizarro, Francisco, approximately 1475-15411
- Poetry1
- Political science1
- Popes--Election1
- Portraits1