Columbia subject headings:
Bishops--Italy--Temporal power.
Catholic Church--Dioceses--Italy--History.
Catholic Church--Italy--Bishops--History.
Church and state--Italy--History.
Harvard subject headings:
Bishops--Italy--Temporal power.
Catholic Church--Italy--Bishops--History.
Church and state--Italy--History
Feudalism--Italy--History.
Italy--Church history.
Princeton subject headings: