Columbia subject headings:
Catholic Church--Foreign relations--France.
France--Foreign relations--1940-1945.
France--Foreign relations--Catholic Church.
France--Politics and government--1940-1945.
Harvard subject headings:
Catholic Church--Foreign relations--France.
France--Foreign relations--1940-1945.
France--Foreign relations--Catholic Church.
Pius XI, Pope, 1857-1939
Princeton subject headings:
Catholic Church--Foreign relations--France.
France--Foreign relations--1940-1945.
France--Foreign relations--Catholic Church.
France--Politics and government--1940-1945.