Author
- Raymond of Sabunde1
- Ressani family1
- Richard Burdet1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Sacro Regio Consiglio1
- Santa Maria in Portico a Fontegiusta1
- Sebastian Schindler1
- Senate of the Republic of Venice1
- Sigismund1
- Signoria of Florence1
- Sixtus IV1
- Society of Saint Anne (Malogoszcz, Poland)1
- Stefano d'Andrea1
- Taddea Salamon1
- Tengoccio d'Enea de Piccolomini1
- Thomas Aquinas1