- Papi, Pasquino1
- Parent and child (Law)1
- Passion of Jesus Christ1
- Pasture, Right of1
- Peasant uprisings1
- Penmanship1
- Penmanship manuals1
- Perez Barahona, Juan, active 1560-15621
- Persecution1
- Persian language--Versification1
- Peru (Viceroyalty). Real Caja de Cuzco1
- Peru--Cuzco1
- Pesciori, Guglielmo1
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philippines--Manila1
- Physiognomy1
- Piccolomini, Alfonso di Giacomo d'Antonio Maria, duca di Montemarciano1
- Piccolomini, Andrea di Nanni Todeschini1