Title
- Register brevium1
- Register of writs1
- Regulations1
- Rerum suo tempore gestarum commentarius1
- Responsa1
- Revelations1
- Risālah fī masʼalat al-kafāʼah1
- Risālah-i aflākīyah dar tarkīb-i filizzāt-i sabʻah1
- Ritual1
- Roman de la rose1
- Rosarium1
- Rosarium theologiae1
- Rubaiyat1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Rule of Saint Augustine1
- Sacramentary1
- Sanad1
- Satires1
- Schwabenspiegel1
- Scribal advertisement1