Author
- Richard Nykke1
- Richard of Saint Victor1
- Robert de Saint-Martin1
- Roman Catholic Archdiocese of Siena1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Rutilius Taurus Aemilianus Palladius1
- Sacro Regio Consiglio1
- Safi Al-Din Al-Hilli Altaie1
- Safi al-Din al-Urmawi1
- Sallust1
- Santa Maria in Portico a Fontegiusta1
- Seneca1
- Sextus Empiricus1
- Shams al-Din al-Sakhawi1
- Shams-ud-Din Kermani1
- Sharaf ad-Din Ali Yazdi1
- Shem Tov ben Joseph ben Shem Tov Ibn Shem Tov1
- Shāṭibī, Muḥammad ibn al-Qaffāl, 13th cent1
- Siena1