- Oviedo family1
- Oviedo, Francisco de, 1728-1
- Oviedo, Gregorio de, 1721-17961
- Oviedo, Nicolás de, 1725-1
- Papacy1
- Papal documents1
- Patronage, Ecclesiastical1
- Perez Barahona, Juan, active 1560-15621
- Pictorial works1
- Popes1
- Prenuptial agreements1
- Printing1
- Puga family1
- Puñonrostro, Juan Arias de Avila Portocarrero, conde de, active 16th century1
- Rendón y Sarmiento family1
- Rome (Empire)1
- Romero family1
- Rueda family1
- Rueda, Baltasar de, active 1553-15691
- Rueda, Bernardino de, active 1553-15691