- Petrarca, Francesco, 1304-13741
- Petrus, Comestor, active 12th century1
- Pigafetta, Antonio, approximately 1480-approximately 15341
- Robert, de Boron, 13th cent1
- Sallust, 86 B.C.-34 B.C.1
- Stuart, BeĢrault, seigneur d'Aubigny, ca. 1452-15081
- Thomas, Aquinas, Saint, 1225?-12741
- Thuillerie, Henri de la.1