Columbia subject headings:
Harvard subject headings:
Azione cattolica italiana.
Catholic action--Italy--History--20th century.
Christianity and politics--Catholic Church--History--20th century
Church and state--Italy--Catholic Church--History--20th century.
Laity--Catholic Church--History--20th century.
Princeton subject headings:
Catholic Action--Italy--History--20th century.
Christianity and politics--Catholic Church--History--20th century.
Church and state--Italy--Catholic Church--History--20th century.
Laity--Catholic Church--History--20th century.