- Richard III, King of England, 1452-14851
- Riddles, Persian1
- Right of property (Jewish law)1
- Ripley, George, -1490?1
- Risaliti, Francesco6
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rites and ceremonies4
- Rithmomachia (Game)1
- Rituals1
- Rochefort Demoulin, Louis1
- Rodriguez, Antonio, active 15911
- Rodriguez, Ysabel1
- Rodríguez, Sebastián, 1896-19681
- Roger, of St. Albans1
- Roman Civil War (Rome : 43-31 B.C.)1
- Romances, Spanish1
- Romances, Turkish1
- Romania--Transylvania2
- Romans--Religion1
- Rome (Empire)9