Columbia subject headings:
World War, 1939-1945--Italy--Congresses.
World War, 1939-1945--Underground movements--Yugoslavia--Congresses.
Harvard subject headings:
World War, 1939-1945--Italy--Congresses.
World War, 1939-1945--Underground movements--Yugoslavia--Congresses.
Princeton subject headings:
World War, 1939-1945--Italy--Congresses.
World War, 1939-1945--Underground movements--Yugoslavia--Congresses.