- Ressano, Catterina1
- Ressano, Giovanni1
- Revolutions1
- Rhetoric1
- Ricciardi, Taddeo1
- Right of property (Jewish law)1
- Roderick, King of the Visigoths, -711?1
- Romances, Spanish1
- Rossi, Azariah ben Moses dei, approximately 1511-approximately 1578. Tsedeḳ ʻOlamim1
- Russia (Federation)--Dagestan1
- Saints1
- Sales (Islamic law)1
- Salt mines and mining1
- Salviati, Antonio, 1816-18901
- Salviati, Averardo1
- Samaritans1
- Sancho II, King of Castile and Leon, 1037 or 1038-10721
- Santa Maria Novella (Church : Florence, Italy)1
- Satellites--Phases1
- Satire1