- Mysticism--Catholic Church2
- Naselli family2
- Natural history2
- Netherlands2
- Novitiate2
- Ordnance--Manufacture2
- Ospedale di San Bartolomeo (Florence, Italy)2
- Parva naturalia (Aristotle)2
- Pazzi Conspiracy (1478)2
- Peasant uprisings2
- Pentecost2
- Petrucci, Pandolfo, 1452-15122
- Philip IV, King of Spain, 1605-16652
- Piccolomini, Antonio Maria d'Enea2
- Piccolomini, Pomponio de Bartolomei2
- Pigments2
- Pilgrims and pilgrimages2
- Pius II, Pope, 1405-14642
- Pius IV, Pope, 1499-15652
- Pius V, Pope, 1504-15722