Author
- Pseudo-Bede1
- Pseudo-Cicero1
- Pseudo-Dionysius of Halicarnassus1
- Pseudo-Joachim of Fiore1
- Publius Papinius Statius1
- Ranulf Higden1
- Raymond of Penyafort1
- Raymundus de Salgis1
- Richard Bolter1
- Richard Treby1
- Richard of Saint Victor1
- Roberto Caracciolo1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Roger Waltham1
- Sallust1
- Sebastian of Naples1
- Sicco Polenton1
- Simon Bredon1
- Stefano Fieschi1