- Repentance--Catholic Church1
- Repentance--Judaism1
- Responsa1
- Resurrection of Jesus Christ1
- Reversed leather bindings1
- Rhetoric--Study and teaching1
- Rhetorica ad Herennium1
- Ricci, Giorgio de'1
- Riccomanni, Jacopo1
- Riccomanni, Maria1
- Riccomanni, Simone1
- Ridolfi, Angiolo1
- Ripley, George, -1490?1
- Risaliti, Lena1
- Rites and ceremonies1
- Rituals (Liturgical books)1
- Robert, William1
- Roderick, King of the Visigoths, -711?1
- Roman de la rose (Guillaume, de Lorris)1
- Roman law--Interpretation and construction1