Title
- Risālah fī taqrīr al-adillah wa-al-shawāhid ʻalá wujūb al-ḥufwah fī al-masājid1
- Risālah fī ḥaqq wāliday al-Nabī1
- Ritual1
- Riyāḍ1
- Roman de Mandevie1
- Roman de Tristan1
- Roman de la rose2
- Roman history1
- Rule of Saint Augustine2
- Rules2
- Ruralia commoda1
- Sacra poesis1
- Saint Anne and the Virgin Mary1
- Sapiential Books1
- Satires4
- Schachzabelbuch1
- Scholia2
- Senjas y carta de hidalguia de Diego Ximenes de Ençiso Vizino1
- Sentence2
- Sententia declaratoria contra Elisabeth1