Columbia subject headings:
Harvard subject headings:
Neutrality--Italy--Congresses.
Propaganda, Italian--Italy--Bergamo--History--20th century--Congresses.
World War, 1914-1918--Italy--Congresses.
World War, 1914-1918--Propaganda--Congresses.
Princeton subject headings:
Neutrality--Italy--Congresses.
Propaganda, Italian--Italy--Bergamo--History--20th century--Congresses.
World War, 1914-1918--Italy--Congresses.
World War, 1914-1918--Propaganda--Congresses.