Author
- Pseudo-Joachim of Fiore1
- Pseudo-Maximus the Confessor1
- Pseudo-Prosper1
- Pseudo-Sallust1
- Publilius Syrus1
- Publius Papinius Statius1
- Quintus Aurelius Symmachus1
- Quintus Curtius Rufus1
- Quodvultdeus1
- Radbod II1
- Rafaino Caresini1
- Ralph of Laon1
- Ranieri Farnese1
- Rapolano Terme1
- Remigio dei Girolami1
- René of Anjou1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard Bolter1
- Richard Carmarden1
- Richard II of England1