Author
- Robert Gazeley1
- Roberto Caracciolo1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Roger Waltham1
- Rolandino de' Passaggeri1
- Roman Catholic Archdiocese of Reims1
- Sallust1
- Sebastian of Naples1
- Sicco Polenton1
- Simon Bredon1
- Simon de Lenis1
- Stefano Fieschi1
- Suetonius1
- Thomas Heneage1
- Thomas Malyus1
- Thomas Rogers1
- Urban V1
- Vegetius1
- Walter of Châtillon1