Author
- Richard de Fournival1
- Richard de Geveldale1
- Richard of Saint Victor1
- Robert Ashley1
- Robert Reade1
- Robert de Sorbon1
- Roberto Caracciolo1
- Rocca, Antonio1
- Rodolfo Pio da Carpi1
- Roger Bigod, 2nd Earl of Norfolk1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Rudulphus Bollartus1
- Sacro Regio Consiglio1
- Salvator Oliva1
- Santa Maria in Portico a Fontegiusta1
- Sebastian Schindler1