- Papal documents1
- Philip II, King of Spain, 1527-15981
- Philip IV, King of Spain, 1605-16651
- Piccolomini, Andrea de1
- Piccolomini, Jacopo de1
- Pius II, Pope, 1405-14641
- Pius IV, Pope, 1499-15651
- Plague1
- Poland1
- Portugal1
- Portugal--Lagos1
- Prescriptions, formulae, receipts, etc.1
- Prophecies1
- Real property1
- Requesens, Antonio de'1
- Requesens, Berengario de'1
- Requesens, Bernardo de'1
- Requesens, Giuseppe de'1
- Siege of Istanbul (Istanbul, Turkey : 1453)1
- Sigismund II Augustus, King of Poland, 1520-15721