Columbia subject headings:
Harvard subject headings:
France--Foreign relations--1914-1940--Congresses.
France--Foreign relations--Germany--Congresses.
France--Military relations--Germany--Congresses.
Germany--Foreign relations--1933-1945--Congresses.
Germany--Foreign relations--France--Congresses.
Germany--Military relations--France--Congresses.
Princeton subject headings:
France--Foreign relations--1914-1940.
France--Relations--Germany.
Germany--Foreign relations--1933-1945.
Germany--Relations--France.