Columbia subject headings:
Harvard subject headings:
Friuli (Italy)--Politics and government--History--Congresses.
Nobility--Italy--Friuli--History--Congresses.
Social structure--Italy--Friuli--History--Congresses.
Upper class--Italy--Friuli--History--Congresses.
Princeton subject headings:
Friuli (Italy)--Politics and government--Congresses.
Nobility--Italy--Friuli--History--Congresses.
Social structure--Italy--Friuli--History--Congresses.
Upper class--Italy--Friuli--History--Congresses.