Author
- Pseudo-Augustine1
- Pseudo-Cicero1
- Pseudo-Dionysius the Areopagite1
- Ptolemaeus Tancredius1
- Ptolemy1
- Raginaldus Collus Rubeus1
- Ranieri Farnese1
- Ranuccio Farnese1
- Rapolano Terme1
- Raymond of Sabunde1
- Renchius, Henricus1
- Ressani family1
- Richard Bolter1
- Richard Burdet1
- Richard Treby1
- Richard Ward1
- Richard de Fournival1
- Richard de Geveldale1
- Robert Gazeley1
- Robert Reade1