Author
- Robert de Saint-Martin1
- Rodolfo Pio da Carpi1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Royal Chancellery of Granada1
- Sacro Regio Consiglio1
- Salomon Trismosin1
- Sangalletti family1
- Santa Maria in Portico a Fontegiusta1
- Sebastian Schindler1
- Seifrit1
- Senate of the Republic of Venice1
- Seneca1
- Sextus Empiricus1
- Sidrac1
- Sigebert of Gembloux1
- Sigismund1