Columbia subject headings:
Catholic Church--Italy--History--20th century.
Communism and Christianity--Catholic Church--History--20th century.
Communism and Christianity--Italy--History--20th century.
Italy--Church history--20th century.
Italy--History--1945-
Italy--History--Allied occupation, 1943-1947.
Italy--History--German occupation, 1943-1945.
Harvard subject headings:
Catholic Church--Italy--History--20th century.
Communism and Christianity--Catholic Church--History--20th century.
Communism and Christianity--Italy--History--20th century.
Italy--Church history--20th century.
Italy--History--1945-
Italy--History--Allied occupation, 1943-1947.
Italy--History--German occupation, 1943-1945.
Princeton subject headings:
Catholic Church--Italy--History--20th century.
Communism and Christianity--Catholic Church--History--20th century.
Communism and Christianity--Italy--History--20th century.
Italy--Church history--20th century.
Italy--History--1945-
Italy--History--Allied occupation, 1943-1947.
Italy--History--German occupation, 1943-1945.