- Record-keeping works1
- Registers (Lists)1
- Regula (Benedict, Saint, Abbot of Monte Cassino)1
- Religion--Philosophy1
- Religious drama, French1
- Religious life1
- Religious literature, Italian1
- Religious poetry, Latin1
- Rent1
- Requesens, Antonio de'1
- Requesens, Berengario de'1
- Requesens, Bernardo de'1
- Requesens, Giuseppe de'1
- Rerum rusticarum libri tres (Varro, Marcus Terentius)1
- Ressano, Catterina1
- Ressano, Giovanni1
- Rhetoric1
- Rhetoric, Ancient--Study and teaching1
- Rhetoric--Study and teaching1
- Rhetorica ad Herennium1