Columbia subject headings:
Action française--History--20th century.
Catholic Church--France--History--20th century.
Catholics--Political activity--France--History--20th century.
Christianity and politics--France--History--20th century.
France--Church history--20th century.
France--Politics and government--1914-1940.
Maurras, Charles, 1868-1952--Political and social views.
Pius XI, Pope, 1857-1939--Political and social views.
Harvard subject headings:
Action française--History--20th century.
Catholic Church--History--20th century.
Church and state--France--History--20th century
France--History--1914-1940.
Princeton subject headings:
Catholic Church--History--20th century.
France--History--1914-1940.