Columbia subject headings:
Harvard subject headings:
Church and state--Italy--Historiography.
Italy--Church history--Historiography.
Italy--History--476-1492.
Public records--Italy--History.
Princeton subject headings:
Archives--History--500-1500.
Archives--Italy--History.
Italy--Historiography.
Italy--History, Local--Sources.
Italy--History--476-1492--Sources.