Author
- Robine Bordinelle1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Rodrigo de Rueda1
- Roffredo Epifanio1
- Roger Bigod, 2nd Earl of Norfolk1
- Roger Waltham1
- Rogerius1
- Rolandino de' Passaggeri1
- Roman Catholic Archdiocese of Reims1
- Roman Catholic Diocese of Regensburg1
- Royal Chancellery of Granada1
- Rudulphus Bollartus1
- Rui de Pina1
- Rutilius Taurus Aemilianus Palladius1
- Saint Catherine Monastery1
- Salomon Trismosin1
- Salvator Oliva1
- Sancho IV of León and Castile1
- Santa Maria in Portico a Fontegiusta1