Author
- Procopius1
- Prosdocimus de Beldemandis1
- Pseudo Bernard of Clairvaux1
- Pseudo-Bede1
- Pseudo-Bonaventure1
- Pseudo-Dionysius of Halicarnassus1
- Pseudo-Eusebius of Cremona1
- Pseudo-Hegesippus1
- Pseudo-Jerome1
- Pseudo-Joachim of Fiore1
- Pseudo-Sallust1
- Publius Papinius Statius1
- Qaitbay1
- Quintus Curtius Rufus1
- Qāḍī Zāda al-Rūmī1
- Raimondo Marliani1
- Ramon Llull1
- Ranulf Higden1
- Rashid-al-Din Hamadani1
- Raymundus de Salgis1