Gregory the Great St. Gregory the Great, Pope of Rome and Dialogist Gregorius Magnus · Γρηγόριος ὁ Διάλογος Dates 540–604 SeeRome Epithetthe Great VenerationSaint Works (2) Selected Epistles of Gregory the Great (NPNF II) The Book of Pastoral Rule, and Selected Epistles, of Gregory the Great (NPNF II)