Columbia subject headings:
Harvard subject headings:
Bishops--Italy--Temporal power--History--To 1500--Sources.
Bishops--Italy--Temporal power--History--To 1500.
Church and state--Italy--History--To 1500--Sources.
Church and state--Italy--History--To 1500.
Italy--Church history--476-1400--Sources.
Italy--Church history--476-1400.
Princeton subject headings:
Bishops--Italy--Temporal power--History--To 1500--Sources.
Bishops--Italy--Temporal power--History--To 1500.
Church and state--Italy--History--To 1500--Sources.
Church and state--Italy--History--To 1500.
Italy--Church history--476-1400--Sources.
Italy--Church history--476-1400.