Title
- Register of writs1
- Regulations1
- Religious text1
- Religious texts6
- Repertorium juris civilis1
- Rerum suo tempore gestarum commentarius1
- Responsa1
- Revelations1
- Rime2
- Risālah dar hayʾat3
- Risālah fī masʼalat al-kafāʼah1
- Risālah-i aflākīyah dar tarkīb-i filizzāt-i sabʻah1
- Ritual1
- Rituale Dominicanum1
- Roman de la rose1
- Rosarium1
- Rosarium theologiae1
- Rubaiyat1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Rule of Saint Augustine1