Columbia subject headings:
Harvard subject headings:
Germany (East)--Relations--Soviet Union.
Germany (West)--Relations--Soviet Union.
Soviet Union--Relations--Germany (East)
Soviet Union--Relations--Germany (West)
Princeton subject headings:
Germany (East)--Foreign relations--Soviet Union.
Germany (West)--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Germany (East).
Soviet Union--Foreign relations--Germany (West)