Title
- Raccolta di celebri arcani1
- Ragionamenti d'amore1
- Rashaḥāt-i ʻayn al-ḥayāt1
- Rasāʼil1
- Ratification1
- Rationale divinorum officiorum1
- Rawz̤āt al-jannāt fī awṣāf-i madīnat al-Harāt1
- Reading of the Carta Forestae in the Red Book of the Exchequer1
- Receipt1
- Receipt book1
- Recipe book1
- Recipes1
- Register1
- Register of exactions1
- Registre des marches passes pour la reconstruction et les restaurations1
- Regularium1
- Relacion de la manera et forma1
- Relación del descubrimiento y conquista de los reinos del Perú1
- Relatione del stato di Milano1
- Relationi de diversi ambasciatori1