Author
- Pius II1
- Pius IV1
- Pomponius Mela1
- Prince-Bishopric of Toul1
- Procopius1
- Prosdocimus de Beldemandis1
- Pseudo-Dionysius the Areopagite1
- Pseudo-Phalaris1
- Ptolemy1
- Ranieri Farnese1
- Rapolano Terme1
- Richard Bolter1
- Richard Carmarden1
- Richard II of England1
- Richard Ward1
- Robert Reade1
- Roman Catholic Diocese of Regensburg1
- Royal Chancellery of Granada1
- Rudulphus Bollartus1
- Rui de Pina1