Title
- Radnor Missal1
- Rationale divinorum officiorum1
- Recipes and extracts on alchemy, medicine, metal-working, cosmetics, veterinary science, agriculture, wine-making, and other subjects1
- Reconoychenssas1
- Register1
- Rent book1
- Risālah-ʾi Sipahsālār1
- Riyāḍ al-ṣāliḥīn1
- Roman de Lancelot1
- Roman de Mandevie1
- Roman de Troie1
- Roman de la rose1
- Régime du corps1
- Saint Dominic1
- Sarum manual1
- Schachzabelbuch1
- Schwabenspiegel Landrecht1
- Scientific texts1
- Seder prayers1
- Sefer Yeẓirah1