Columbia subject headings:
Action française--History--20th century.
Catholic Church--France--History--20th century.
Church and state--France--History--20th century.
France--Church history--20th century.
Harvard subject headings:
Action française--History--20th century.
Action française--History.
Catholic Church--France--History--20th century.
Church and state--France--History--20th century
France--Church history--20th century.
Princeton subject headings:
Action française--History--20th century.
Catholic Church--France--History--20th century.
Church and state--France--History--20th century.
France--Church history--20th century.