Author
- Ralph of Longchamp1
- Ranulf Higden1
- Rashi1
- Raymond of Penyafort1
- Republic of Venice1
- Roman Catholic Archdiocese of Siena1
- Sarrazius de Bethencourt1
- Seigneury de Brousses1
- Serapion the Younger1
- Shnorhali Sargis1
- Stephanus Hugoneti1
- Taddeo Alderotti1
- Thiebaus de Maliers1
- Thomas Aquinas1
- Thomas Brooke1
- Thomas of Capua1
- Titus Livius1
- Valerius Maximus1
- Vincent of Beauvais1
- Walter of Châtillon1