- Requesens, Antonio de'2
- Requesens, Bernardo de'2
- Rhetorica ad Herennium2
- Riddles, Arabic2
- Riddles, Turkish2
- Rituals2
- Riyāḍ al-ṣāliḥīn (Nawawī)2
- Roman Civil War (Rome : 43-31 B.C.)2
- Romances2
- Rossi, Girolamo de'2
- Sacraments--Catholic Church2
- Sacred works2
- Sales (Islamic law)2
- Salt industry and trade--Law and legislation2
- Salt--Taxation2
- Salvation--Hinduism2
- Samaritan Aramaic language2
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah2
- Samarqandī, Muḥammad ibn Yūsuf, -1160 or 1161. Fiqh al-nāfiʻ2
- San Marziano (Monastery : Tortona, Italy)2