Columbia subject headings:
France--Foreign relations--1914-1940.
France--Foreign relations--Germany--History.
Germany--Foreign relations--1918-1933.
Germany--Foreign relations--France.
Harvard subject headings:
France--Foreign relations--Germany.
Germany--Foreign relations--1918-1933.
Germany--Foreign relations--France.
Princeton subject headings:
France--Foreign relations--1914-1940.
France--Foreign relations--Germany--History.
Germany--Foreign relations--1918-1933.
Germany--Foreign relations--France.