Title
- Quaestiones1
- Quid sit annus solaris1
- Quodlibeta1
- Raccolta di celebri arcani1
- Rationale divinorum officiorum1
- Recipe book1
- Recipes1
- Recipes and extracts on alchemy, medicine, metal-working, cosmetics, veterinary science, agriculture, wine-making, and other subjects1
- Record1
- Records1
- Reductorium morale1
- Register brevium1
- Register of writs1
- Registrum ordinis Cysterciensis1
- Regle et maniere de vivre1
- Regula monachorum1
- Regulae1
- Regulations1
- Relacion de la manera et forma1
- Relationi de diversi ambasciatori1