- Pius III, Pope, approximately 1440-15031
- Pivari, Antonio1
- Plays1
- Portraits1
- Prenuptial agreements1
- Printed waste1
- Privileges and immunities1
- Privileges and immunities, Ecclesiastical1
- Pupi, Benedetto1
- Puñonrostro, Juan Arias de Avila Portocarrero, conde de, active 16th century1
- Qur'ans1
- Ripley, George, -1490?1
- Rome (Empire)1
- Rossi, Giovanni de'1
- Rossi, Girolamo de'1
- Rueda family1
- Rueda, Baltasar de, active 1553-15691
- Rueda, Bernardino de, active 1553-15691
- Rueda, Luis de, active 1553-15691
- Rueda, Rodrigo de, active 1553-15691