Author
- Richard de Geveldale1
- Robert Beale1
- Rodrigo de Rueda1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Royal Chancellery of Granada1
- Rupert, Count Palatine of Simmern1
- Sacro Regio Consiglio1
- Sallust1
- Santa Maria in Portico a Fontegiusta1
- Sarrazius de Bethencourt1
- Sebastian Schindler1
- Seigneury de Brousses1
- Senate of the Republic of Venice1
- Shelomo Yedidyah Salamona1
- Shukr Allāh ibn Aḥmad Rūmī1
- Signoria of Florence1
- Sixtus IV1
- Sixtus V1