Author
- Porphyry1
- Prince-Bishopric of Toul1
- Procopius1
- Prudentius1
- Pseudo-Bede1
- Pseudo-Bonaventure1
- Pseudo-Cyprian1
- Pseudo-Dionysius the Areopagite1
- Pseudo-Joachim of Fiore1
- Pseudo-Prosper1
- Ptolemaeus Tancredius1
- Publilius Syrus1
- Quodvultdeus1
- Radbod II1
- Raginaldus Collus Rubeus1
- Ralph of Longchamp1
- Ramon Llull1
- Ranieri Farnese1
- Ranuccio Farnese1
- Ranulf Higden1