- Religious poetry, English2
- Religious poetry, Italian2
- Requesens, Antonio de'2
- Requesens, Bernardo de'2
- Rhetoric--Study and teaching2
- Rhetorica ad Herennium2
- Roman law2
- Romances2
- Romances, Latin (Medieval and modern)2
- Romania--Transylvania2
- Rossi, Girolamo de'2
- Salt--Taxation2
- San Marziano (Monastery : Tortona, Italy)2
- San Miniato, Cosimo di2
- San Miniato, Giovanni di2
- San Miniato, Jacopo di2
- San Miniato, Simone di2
- San Miniato, Tommaso di2
- Santa Maria Novella (Church : Florence, Italy)2
- Santa Trinità di Spineto (Monastery : Sarteano, Italy)2