Columbia subject headings:
Elite (Social sciences)--Italy--History--Congresses.
Municipal government--Italy--History--Congresses.
Nobility--Italy--History--Congresses.
Harvard subject headings:
Elite (Social sciences)--Italy--History--Congresses.
Municipal government--Italy--History--Congresses.
Nobility--Italy--History--Congresses.
Princeton subject headings:
Europe--Politics and govenment.
Municipal government--Europe--Congresses.
Municipal government--Italy--Congresses.