Author
- Prosdocimus de Beldemandis1
- Pseudo-Bede1
- Pseudo-Bonaventure1
- Pseudo-Dionysius the Areopagite1
- Pseudo-Phalaris1
- Pseudo-Sallust1
- Ptolemy1
- Quintus Curtius Rufus1
- Rafaino Caresini1
- Raginaldus Collus Rubeus1
- Ralph of Longchamp1
- Ranulf Higden1
- Rashi1
- Remigius of Auxerre1
- René of Anjou1
- Republic of Venice1
- Richard II of England1
- Richard Rolle1
- Richard de Fournival1
- Richard de Geveldale1