Columbia subject headings:
Harvard subject headings:
Catholic Church--Atlantic Provinces--History--Congresses.
Catholics--Atlantic Provinces--History--Congresses.
Princeton subject headings:
Atlantic Provinces--Church history.
Catholic Church--Atlantic Provinces--History--Congresses.
Catholics--Atlantic Provinces--History--Congresses.
Irish--Atlantic Provinces--History--Congresses.
Scots--Atlantic Provinces--History--Congresses.