Columbia subject headings:
Benedict, Saint, Abbot of Monte Cassino--Congresses.
Benedictines--Congresses.
Harvard subject headings:
Benedict, Saint, Abbot of Monte Cassino--Congresses.
Benedictines--Congresses.
Princeton subject headings:
Benedict, Saint, Abbot of Monte Cassino--Congresses.
Benedictines--Congresses.