Columbia subject headings:
Catholic Church--Italy--History.
Church and state--Italy.
Communism and Christianity--Catholic Church--Italy--History--20th century.
Italy--Politics and government--20th century.
Harvard subject headings:
Catholic Church--Italy--History.
Church and state--Italy.
Communism and Christianity--Catholic Church--Italy--History--20th century.
Italy--Politics and government--20th century.
Princeton subject headings:
Catholic Church--Italy--History.
Church and state--Italy.
Communism and Christianity--Catholic Church--Italy--History--20th century.
Italy--Politics and government--20th century.