Columbia subject headings:
Brockdorff-Rantzau, Ulrich, Graf, 1869-1928.
Diplomats--Germany--Biography.
Germany--Foreign relations--20th century.
Harvard subject headings:
Brockdorff-Rantzau, Ulrich, Graf, 1869-1928.
Diplomats--Germany--Biography
Germany--Foreign relations--20th century.
Princeton subject headings:
Brockdorff-Rantzau, Ulrich, Graf, 1869-1928.
Diplomats--Germany--Biography.