- Registers (Lists)2
- Regula (Benedict, Saint, Abbot of Monte Cassino)2
- Religious life--Hinduism2
- Rent (Islamic law)2
- Reshit ḥokhmah (Vidas, Elijah ben Moses de)2
- Rhetoric, Ancient2
- Riddles, Hebrew2
- Riyāḍ al-ṣāliḥīn (Nawawī)2
- Roderick, King of the Visigoths, -711?2
- Romances, Latin (Medieval and modern)2
- Rosh ha-Shanah2
- Royal houses2
- Rudra (Hindu deity)2
- Rural conditions2
- Russia (Federation)--Dagestan2
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá2
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd2
- Salutations--Religious aspects--Islam2
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah2
- Sancho IV, King of Castile and Leon, 1257-12952