Columbia subject headings:
Catholic Church--Germany (West)--History--Congresses.
Church and state--Germany (West)--History--Congresses.
Germany (West)--Politics and government.
Harvard subject headings:
Catholic Church--Germany (West)--History--Congresses.
Church and state--Germany (West)--History--Congresses.
Germany (West)--Politics and government.
Princeton subject headings:
Catholic Church--Germany (West)--History--Congresses.
Church and state--Germany (West)--History--Congresses.
Germany (West)--Politics and government.