- Religion--Philosophy1
- Religious disputations1
- Religious drama, French1
- Religious literature, Italian1
- Religious minorities--Legal status, laws, etc.1
- Religious poetry, Italian1
- Religious poetry, Latin1
- Remboîtage1
- Rent1
- Repentance--Islam1
- Reproduction1
- Requesens, Antonio de'1
- Requesens, Berengario de'1
- Requesens, Bernardo de'1
- Requesens, Giuseppe de'1
- Rerum rusticarum libri tres (Varro, Marcus Terentius)1
- Revolutions1
- Rhetoric, Ancient--Study and teaching1
- Rhetoric--Study and teaching1
- Rhetorica ad Herennium1