Columbia subject headings:
German reunification question (1949-1990)
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Germany (East)
Germany--History--1945-1955.
Germany--History--Unification, 1990.
Germany--International status.
World politics--1945-1989.
Harvard subject headings:
German reunification question (1949-1990)
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Germany (East)
World politics--1945-
Princeton subject headings:
German reunification question (1949-1990)