Title
- Recipe book1
- Recognizance1
- Register of writs1
- Registrum Gregorii1
- Registrum epistolarum1
- Regula1
- Regula monachorum1
- Relationi de diversi ambasciatori1
- Reply to accusations made by Puritan ministers1
- Republic1
- Responsorium1
- Rhetoric1
- Roman ceremonials1
- Roman de Lancelot1
- Romuleon1
- Rosarium theologiae1
- Rozier des guerres1
- Rubricae1
- Sacramentary1
- Scientific texts1