Columbia subject headings:
Germany (West)--History--Congresses.
Germany (West)--Social conditions--Congresses.
Harvard subject headings:
Germany (West)--Economic conditions.
Germany (West)--History--Congresses.
Germany (West)--Politics and government.
Germany (West)--Social conditions--Congresses.
Germany (West)--Social conditions.
Princeton subject headings:
Germany (West)--History--Congresses.
Germany (West)--Social conditions--Congresses.