Columbia subject headings:
Udine (Italy : Province)--History--Congresses.
World War, 1939-1945--Underground movements--Italy--Udine (Province)--Congresses.
Harvard subject headings:
Udine (Italy : Province)--History--Congresses.
World War, 1939-1945--Underground movements--Italy--Udine (Italy : Province)--Congresses.
Princeton subject headings:
Udine (Italy : Province)--History--Congresses.
World War, 1939-1945--Underground movements--Italy--Udine (Province)--Congresses.