Columbia subject headings:
Harvard subject headings:
Europe, Eastern--Foreign relations--Germany.
Germany--Foreign relations--Europe, Eastern.
Germany--Foreign relations.
World politics--1945-
Princeton subject headings:
Europe, Eastern--Foreign relations--Germany (West)
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe, Eastern.
Germany (West)--Foreign relations--Germany (East)
World politics--1945-1989.