- Qāḍī Mīr, ḥusayn ibn Muʻīn al-Dīn, d. 1504 or 5. Sharḥ al-Hidāyah1
- Qūshjī, ʻAlī ibn Muḥammad, d. 1474 or 5. Risālah dar hayʼat1
- Rabbis--Ordination1
- Ramiro II, King of Leon, -9511
- Real property1
- Real property (Islamic law)1
- Religion1
- Religion and politics1
- Religions1
- Religious poetry, Syriac1
- Repentance--Islam1
- Repentance--Judaism1
- Riddles1
- Rifāʻīyah1
- Right of property (Islamic law)1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Roderick, King of the Visigoths, -711?1
- Romances1
- Rome (Empire)1
- Rosh ha-Shanah seder1