Columbia subject headings:
Italy--Foreign relations--1914-1945--Congresses.
Italy--Politics and government--1914-1922--Congresses.
World War, 1914-1918--Causes--Congresses.
World War, 1914-1918--Italy--Congresses.
Harvard subject headings:
World War, 1914-1918--Italy--Congresses.
Princeton subject headings:
World War, 1914-1918--Italy--Congresses.