- Requesens, Giuseppe de'1
- Ressano, Catterina1
- Ressano, Giovanni1
- Rhetoric, Ancient1
- Rhetoric, Ancient--Study and teaching1
- Rhetoric--Study and teaching1
- Ricchi, Raphael Immanuel ben Abraham Ḥai, 1688-17431
- Ricciardi, Taddeo1
- Riddles, Arabic1
- Rites and ceremonies1
- Rodriguez, Ysabel1
- Rodríguez, Sebastián, 1896-19681
- Roman Civil War (Rome : 43-31 B.C.)1
- Romances1
- Romances, Italian1
- Rules1
- Sacraments--Catholic Church1
- Sacred books1
- Salt industry and trade--Law and legislation1
- Salt--Taxation1