- Responsa2
- Riddles, Arabic2
- Roman law2
- Romances, Latin (Medieval and modern)2
- Rome (Empire)2
- Rural conditions2
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz2
- Sacraments--Catholic Church2
- Saints2
- Samarqandī, Muḥammad ibn Yūsuf, -1160 or 1161. Fiqh al-nāfiʻ2
- Scrolls2
- Sefer ḳedushah (Maimonides, Moses)2
- Sententiarum libri IV (Peter Lombard, Bishop of Paris)2
- Shāṭibī, al-Qāsim ibn Fīrruh, 1144-1194. ʻAqīlat atrāb al-qaṣāʼid fī asná al-maqāṣid2
- Silver tooled bindings2
- Social conditions2
- Soldiers2
- Spain--Catalonia2
- Spiritual life--Catholic Church2
- Sufism--Prayers and devotions2