Title
- Risālah fī al-hayʼah al-falakīyah1
- Risālah fī al-waqf1
- Risālah fī ʻilm al-hayʼah1
- Ritual1
- Roman ceremonials1
- Roman de Mandevie1
- Roman de la rose1
- Romuleon1
- Rozier des guerres1
- Rubaiyat1
- Rubricae1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Rule of Saint Clare1
- Sacramentary1
- Saint Patrick's Purgatory1
- Sanad1
- Schedule of tariffs1
- Schwabenspiegel1
- Scientific texts1
- Scritture dell'Arrigucci1