Title
- Regularium1
- Regum Romanae atque imperatorum liber ex veteris Germanis exceptus auctoris1
- 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
- Relationi di Constantinopoli1
- Rent roll1
- Reply to accusations made by Puritan ministers1
- Report on Switzerland1
- Reports1
- Responsorium1
- Riduttione delli sette Salmi penitentiali in sette sonnetti1
- Rights and privileges of the bishops of Breslau1
- Rime1
- Risālah1
- Risālah dar hayʾat1
- Risālah fī al-khiḍāb] ... [etc.1
- Risālah fī al-ʻamal bi-asʹhal ālah min qibal al-nujūm1
- Risālah fī tafsīr qawlihi taʻālá li-dulūk al-shams wa-al-adillah al-handasīyah wa-fīhā samt al-qiblah1