Columbia subject headings:
Europe--Foreign relations--Germany.
Germany--Foreign relations--Europe.
Germany--History--20th century.
Hale, Oron J. (Oron James)
Harvard subject headings:
Europe--Foreign relations--Germany.
Germany--Foreign relations--Europe.
Germany--History--20th century.
Hale, Oron J. (Oron James)
Princeton subject headings:
Europe--Foreign relations--Germany.
Germany--Foreign relations--Europe.
Germany--History--20th century.