Author
- Robert Gazeley1
- Robert Holkot1
- Robert Kilwardby1
- Robert de Sorbon1
- Robert of Gloucester1
- Roffredo Epifanio1
- Roman Catholic Archdiocese of Siena1
- Sarrazius de Bethencourt1
- Seigneury de Brousses1
- Seneca1
- Sensatus1
- Shem Tov ben Abraham ibn Gaon1
- Sidrac1
- Simon de Lenis1
- Simone Cordo1
- Stephanus Hugoneti1
- Taddeo Alderotti1
- Tengoccio d'Enea de Piccolomini1
- Thiebaus de Maliers1
- Thomas Brooke1