Title
- Release of goods and chattels1
- Religiosorum status triplex1
- Religious text1
- Report on Switzerland1
- Report on the conclave electing Alexander VII1
- Rime1
- Risālah fī al-barāhīn ʻalá masāʼil al-jabr wa-al-muqābalah1
- Risālah fī al-hayʼah al-falakīyah1
- Risālah fī al-ḥisāb1
- Risālah fī ʻilm al-hayʼah1
- Ritual1
- Riḥlah al-Nāṣirīyah1
- Roman de Lancelot1
- Roman law1
- Rosarium1
- Rosarium theologiae1
- Rozier des guerres1
- Rubaiyat1
- Rule of Saint Clare1
- Ruralia commoda1