- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah3
- Regula (Augustine, of Hippo, Saint)3
- Regula (Benedict, Saint, Abbot of Monte Cassino)3
- Religious poetry, English3
- Religious poetry, Latin3
- Reproduction3
- Rice--Religious aspects3
- Romances, Latin (Medieval and modern)3
- Sacraments3
- Sacred music3
- Salt industry and trade--Law and legislation3
- Salviati, Costanza3
- San Miniato, Gregorio di3
- Sanskrit language--Accents and accentuation3
- Sanskrit language--Inflection3
- Sanskrit language--Semantics3
- Sanskrit language--Verb3
- Sarvajñātman. Śārīraprakaraṇasaṃkṣepaśārīraka3
- Satire, Latin3
- Satires3