- Ressano, Giovanni1
- Resurrection (Islam)1
- Resurrection of Jesus Christ1
- Rhetoric--Study and teaching1
- Rhetorica ad Herennium1
- Riario, Raffaello, 1451-15211
- Ricciardi, Taddeo1
- Right of property (Jewish law)1
- Ripley, George, -1490?1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rithmomachia (Game)1
- Rodriguez, Ysabel1
- Rodríguez, Sebastián, 1896-19681
- Romances, Spanish1
- Romans--Religion1
- Rome (Italy). Maestri delle Strade1
- Ros Pelayre, Miguel1
- Rossi, Giovanni de'1
- Rossi, Girolamo de'1
- Royal supremacy (Church of England)1