Columbia subject headings:
Germany (East)--Foreign relations--Congresses.
Germany (West)--Foreign relations--Congresses.
World politics--1975-1985--Congresses.
Harvard subject headings:
Germany (East)--Foreign relations--Congresses.
Germany (West)--Foreign relations--Congresses.
World politics--1975-1985--Congresses
Princeton subject headings:
Germany (East)--Foreign relations.
Germany (West)--Foreign relations.
World politics--1945-1989.