Columbia subject headings:
Brandt, Willy, 1913-1992.
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Germany (East)
Stoph, Willi.
Harvard subject headings:
Brandt, Willy, 1913-1992.
Germany (East)--Foreign relations--Germany (West)
Germany (West)--Foreign relations--Germany (East)
Stoph, Willi.
Princeton subject headings: