- Pasteboard1
- Patience1
- Patience--Religious aspects--Islam1
- Patrick, Saint, 373?-463?1
- Patronage, Ecclesiastical1
- Pazzi, Antonio de'1
- Pazzi, Piero de'1
- Pelagianism1
- Perfection--Religious aspects--Catholic Church1
- Perpetual calendars1
- Persian language--Lexicography1
- Peru1
- Perush Rashi la-Talmud (Rashi)1
- Perush ha-Torah (Ibn Ezra, Abraham ben Meïr)1
- Peter Lombard, Bishop of Paris, approximately 1100-1160. Sententiarum libri II1
- Peter Martyr, Saint, approximately 1205-12521
- Philip III, King of Spain, 1578-16211
- Philip IV, King of Spain, 1605-16651
- Philosophers, Ancient1
- Philosophy and science1