Columbia subject headings:
France--Foreign relations--1914-1940--Sources.
France--Foreign relations--Germany.
Germany--Foreign relations--France.
Harvard subject headings:
France--Foreign relations--1914-1940--Sources.
France--Foreign relations--Germany.
Germany--Foreign relations--France.
Princeton subject headings:
Diplomats--France--Correspondence.
France--Foreign relations--Germany--Sources.
France--History--1914-1940--Sources.
France--Politics and government--1914-1940--Sources.
Germany--Foreign relations--France--Sources.
Germany--History--1918-1933--Sources.
Germany--Politics and government--1918-1933--Sources.
Statesmen--France--Correspondence.