- Requesens, Giuseppe de'1
- Ricchi, Raphael Immanuel ben Abraham Ḥai, 1688-17431
- Riddles, Persian1
- Rome (Empire)1
- Russia (Federation)--Dagestan1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Saros cycle1
- Schools1
- Seder1
- Serbia1
- Serbia--Belgrade1
- Sermons, Early Christian1
- Sermons, Greek1
- Sexagesimal system1
- Shabbethai Tzevi, 1626-16761
- Sharāʼiʻ al-Islām (Muḥaqqiq al-Ḥillī, Jaʻfar ibn al-Ḥasan)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-Sullam (Mullawī, Aḥmad ibn ʻAbd al-Fattāḥ)1
- Shavuot1