Author
- Roberto Caracciolo1
- Rocca, Antonio1
- Roger Waltham1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Archdiocese of Siena1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Sacro Regio Consiglio1
- Santa Maria Nuova Hospital1
- Santa Maria in Portico a Fontegiusta1
- Sebastian of Naples1
- Sextus the Pythagorean1
- Siena1
- Sigismund1
- Signoria of Florence1
- Simon Bredon1
- Simon of Cremona1
- Simone di Nicolo Petroni1