- Racially mixed people--Legal status, laws, etc.1
- Rajab1
- Ramiro II, King of Leon, -9511
- Rawḍah al-bahīyah fī sharḥ al-Lumʻah al-Dimashqīyah (Shahīd al-Thānī, Zayn al-Dīn ibn ʻAlī)2
- Reading2
- Real property10
- Recitations6
- Relics18
- Religions1
- Religious institutions3
- Religious life4
- Religious life--Islam5
- Religious poetry, Syriac1
- Repentance--Islam1
- Repentance--Judaism3
- Requesens, Antonio de'1
- Requesens, Berengario de'1
- Requesens, Bernardo de'1
- Requesens, Giuseppe de'1
- Reshit ḥokhmah (Vidas, Elijah ben Moses de)2