- Parables1
- Parchment (Paper)1
- Parliamentary practice1
- Passion plays1
- Passover--Liturgy1
- Patrizi, Francesco, 1275-13281
- Paul, the Apostle, Saint1
- Paul, the Deacon, approximately 720-799?1
- Paul, the Hermit, Saint, -approximately 3411
- Pecia1
- Penitentials1
- Penmanship manuals1
- Persian poetry1
- Persius1
- Peter Lombard, Bishop of Paris, approximately 1100-1160. Sententiarum libri II1
- Peter Martyr, Saint, approximately 1205-12521
- Peter, the Apostle, Saint1
- Phaedra (Greek mythological character)1
- Philosophy1
- Phlebotomy1