Columbia subject headings:
Alliances.
Detente.
Europe--Foreign relations--Germany (East)
Europe--Foreign relations--Germany (West)
Germany (East)--Foreign relations--Europe.
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe.
Germany (West)--Foreign relations--Germany (East)
Harvard subject headings:
Alliances.
Detente.
Europe--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe.
Germany (West)--Foreign relations.
Princeton subject headings:
Alliances.
Detente.
Europe--Foreign relations--Germany (East).
Europe--Foreign relations--Germany (West).
Germany (East)--Foreign relations--Europe.
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Europe.
Germany (West)--Foreign relations--Germany (East)