- Oviedo, Nicolás de, 1725-1
- Panama--Panama1
- Papal nuncios1
- Penmanship1
- Perez Barahona, Juan, active 1560-15621
- Persian language--Rhetoric1
- Peru (Viceroyalty). Real Caja de Cuzco1
- Peru--Lima1
- Peucer, Kaspar, 1525-16021
- Pezel, Christoph, 1539-16041
- Philip II, King of Spain, 1527-15981
- Philip III, King of Spain, 1578-16211
- Philippines1
- Philippines--Manila1
- Pic̨arro, Diego1
- Piriz, Bento, active 1533-15341
- Pizarro, Gonzalo, -15481
- Pizarro, Pedro, active 16th century1
- Poland1
- Pole, Reginald, 1500-15581