Author
- Pierre Froissard1
- Pietro Flores1
- Pietro Lamberti1
- Pistoia1
- Pius II1
- Pius IV1
- Pius V1
- Podestà of Monterubbiano (Italy)1
- Podestà of Monticchiello (Italy)1
- Podestà of Perugia1
- Privy Council of the United Kingdom1
- Pseudo-Dionysius the Areopagite1
- Raginaldus Collus Rubeus1
- Ramazanzade Mehmed Çelebi1
- Ranuccio Farnese1
- Rapolano Terme1
- Razi al-Din ibn al-Hanbali1
- Richard Bolter1
- Richard Burdet1
- Richard Ward1