Columbia subject headings:
Harvard subject headings:
Ambrose, Saint, Bishop of Milan, -397
Augustine, of Hippo, Saint, 354-430
Gregory I, Pope, approximately 540-604
Jerome, Saint, -419 or 420
Princeton subject headings:
Ambrose, Saint, Bishop of Milan, -397.
Augustine, of Hippo, Saint, 354-430.
Gregory I, Pope, approximately 540-604.
Jerome, Saint, -419 or 420.