Title
- Regum Romanae atque imperatorum liber ex veteris Germanis exceptus auctoris1
- Relacion de la manera et forma1
- Relationi de diversi ambasciatori1
- Release of goods and chattels1
- Religiosorum status triplex1
- Remission1
- Repertorium juris civilis1
- Reply to accusations made by Puritan ministers1
- Republic1
- Request1
- Rerum suo tempore gestarum commentarius1
- Responsorium1
- Resumptio1
- Resurrection of Jesus Christ1
- Revelations1
- Rituale Dominicanum1
- Roman ceremonials1
- Roman law1
- Romuleon1
- Rosarium1