Columbia subject headings:
Augustine, of Hippo, Saint, 354-430.
Bernard, of Clairvaux, Saint, 1090 or 1091-1153.
Francis, of Assisi, Saint, 1182-1226.
Harvard subject headings:
Augustine, of Hippo, Saint, 354-430
Bernard, of Clairvaux, Saint, 1090 or 1091-1153
Francis, of Assisi, Saint, 1182-1226
Princeton subject headings: