Columbia subject headings:
German reunification question (1949-1990)--Congresses.
Germany (West)--Foreign relations--Soviet Union--Congresses.
Soviet Union--Foreign relations--Germany (West)--Congresses.
Harvard subject headings:
Berlin Wall, Berlin, Germany, 1961-1989
Germany (West)--Foreign relations--Soviet Union.
Germany (West)--Politics and government.
Soviet Union--Foreign relations--Germany (West)
Princeton subject headings:
Berlin Wall, Berlin, Germany, 1961-1989.
Germany (West)--Foreign relations--Soviet Union.
Germany (West)--Politics and government.
Soviet Union--Foreign relations--Germany (West)