- Prophecies3
- Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad, 1294 or 1295-1364 or 1365. Lawāmiʻ al-asrār fī sharḥ Maṭāliʻ al-anwār3
- Regula (Augustine, of Hippo, Saint)3
- Religious poetry3
- Repentance3
- Rhetoric, Medieval3
- Roman law3
- Salat3
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth3
- Sammelbands3
- San Miniato, Gregorio di3
- Satire3
- Scrolls3
- Seals3
- Sefer Yeẓirah3
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)3
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)3
- Spain--Burgos (Province)3
- Spiritual life--Christianity3
- Switzerland3