Columbia subject headings:
Harvard subject headings:
Catholic Church. Diocese of Caltanissetta (Italy)--History--19th century.
Catholic Church. Diocese of Caltanissetta (Italy)--History--20th century.
Catholic action--Italy--Caltanissetta (Province)--History.
Catholics--Italy--Caltanissetta (Province)--Political activity.
Church and state--Italy--Caltanissetta (Province)
Princeton subject headings:
Catholic Action--Italy--Caltanissetta (Province)--History.
Catholic Church. Diocese of Caltanissetta (Italy)--History--19th century.
Catholic Church. Diocese of Caltanissetta (Italy)--History--20th century.
Catholics--Italy--Caltanissetta (Province)--Political activity.
Church and state--Italy--Caltanissetta (Province).