Columbia subject headings:
Catholic Church--Italy--History--20th century.
Christian sociology--Catholic Church--History--20th century.
Italy--Religious life and customs.
Harvard subject headings:
Catholic Church--Italy--History--1965-
Catholic Church--Italy--History--20th century.
Christian sociology--Catholic Church--History--20th century.
Christian sociology--Catholic Church--Italy.
Italy--Religious life and customs.
Princeton subject headings:
Catholic Church--Italy--History--20th century.
Christian sociology--Catholic Church--History--20th century.
Italy--Religious life and customs.