Author
- Poggio Bracciolini1
- Porcellio1
- Prince-Bishopric of Toul1
- Principio Fabricii1
- Privy Council of the United Kingdom1
- Pseudo-Augustine1
- Pseudo-Dionysius the Areopagite1
- Ptolemaeus Tancredius1
- Qāḍī Zāda al-Rūmī1
- Ranieri Farnese1
- Ranuccio Farnese1
- Rapolano Terme1
- Raymond of Sabunde1
- Richard Bolter1
- Richard Burdet1
- Richard Ward1
- Robert Cooke1
- Robert Reade1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1