Title
- Rationale divinorum officiorum1
- Recipe book1
- Recipes1
- Recipes and extracts on alchemy, medicine, metal-working, cosmetics, veterinary science, agriculture, wine-making, and other subjects1
- Record15
- Record of sale3
- Records2
- Register3
- Registrum Gregorii1
- Registrum epistolarum1
- Regula3
- Regula monachorum1
- Relatione del stato di Milano1
- Relationi de diversi ambasciatori1
- Religious text2
- Religious texts8
- Report2
- Report on Switzerland1
- Responsa8
- Resurrection of Jesus Christ1