Author
- Pietro Parenzi1
- Pius IV1
- Podestà of Monticchiello (Italy)1
- Pomponius Mela1
- Prince-Bishopric of Toul1
- Priscian1
- Pseudo-Phalaris1
- Rapolano Terme1
- Raymond of Penyafort1
- Richard II of England1
- Richard Ward1
- Roger Bigod, 2nd Earl of Norfolk1
- Roman Catholic Diocese of Regensburg1
- Royal Chancellery of Granada1
- Sallust1
- Salomon Trismosin1
- Santa Maria in Portico a Fontegiusta1
- Sarrazius de Bethencourt1
- Seigneury de Brousses1
- Senate of the Republic of Venice1