Columbia subject headings:
Harvard subject headings:
Catholic Church--Italy--History--20th century.
Catholic Church. Conferenza episcopale italiana--History.
Church and state--Italy--Catholic Church--History--20th century.
Princeton subject headings:
Catholic Church--Italy--History--20th century.
Catholic Church. Conferenza episcopale italiana--History.
Church and state--Italy--Catholilc Church--History--20th century.