Title
- Registre des marches passes pour la reconstruction et les restaurations1
- Registrum ordinis Cysterciensis1
- Relacion de la manera et forma1
- Rent1
- Rhetoric text1
- Roman de la rose1
- Rule of Saint Benedict1
- Scale of perfection1
- Schedule of tariffs1
- School miscellany1
- Scritture de signori Medici1
- Scritture dell'Arrigucci1
- Seals of the planets1
- Sharḥ-i Zīj Gūrgānī1
- Sharḥ-i Zīj-i jadīd-i Sulṭānī1
- Sketchbook1
- Societas sanctae annae1
- Sommaria relatione et breve avviso1
- Speculum monachorum1
- Sphaera mundi1