Columbia subject headings:
Harvard subject headings:
Bishops--Italy--Campania--Temporal power.
Campania (Italy)--Politics and government.
Catholic Church--Italy--Campania--History.
Princeton subject headings:
Campania (Italy)--Church history.
Campania (Italy)--History.
Catholic Church--Italy--Campania--History.
Church and state--Italy--Campania--History.