Author
- Raymond of Sabunde1
- Ressani family1
- Richard Fishacre1
- Richard II of England1
- Roman Catholic Diocese of Zaragoza1
- Sacro Regio Consiglio1
- Sebastian Schindler1
- Senate of the Republic of Venice1
- Seneca1
- Society of Jesus1
- Society of Saint Anne (Malogoszcz, Poland)1
- Stephanus Hugoneti1
- Suetonius1
- Sylvester II1
- Taddeo Alderotti1
- Tartaleoni family1
- Theobaldus Episcopus1
- Thomas Aquinas1
- Thomas of Cantimpré1
- Thomas of Capua1