- Parables1
- Paste papers1
- Pasteboard1
- Pasture, Right of1
- Patrick, Saint, 373?-463?1
- Patriotism1
- Patronage, Ecclesiastical1
- Paul III, Pope, 1468-15491
- Paul, the Apostle, Saint1
- Pazzi, Antonio de'1
- Pazzi, Piero de'1
- Peace of Westphalia (1648)1
- Pecia1
- Pedro IV, King of Aragon, 1319?-13871
- Perfection--Religious aspects--Catholic Church1
- Perpetual calendars1
- Peru1
- Peter Lombard, Bishop of Paris, approximately 1100-1160. Sententiarum libri II1
- Petrarca, Francesco, 1304-13741
- Peucer, Kaspar, 1525-16021