Title
- Registrum ordinis Cysterciensis1
- Regulations1
- Regulations for monks1
- Religiosorum status triplex1
- Republic1
- Rerum suo tempore gestarum commentarius1
- Revelations1
- Rich man and Lazarus1
- Roman de la rose1
- Roman law1
- Rosarium1
- Rosarium theologiae1
- Rule of Saint Benedict1
- Rule of living1
- Rules of the Brotherhood of the Archangel Michael1
- Ruralia commoda1
- Sayings1
- Scribal advertisement1
- Scroll of Esther1
- Secretum Secretorum1