Columbia subject headings:
Historical films--History and criticism--Congresses.
Motion pictures and history--Congresses.
World War, 1914-1918--Motion pictures and the war--Congresses.
Harvard subject headings:
Historical films--History and criticism--Congresses.
Motion pictures and history--Congresses.
World War, 1914-1918--Motion pictures and the war--Congresses.
Princeton subject headings:
Historical films--History and criticism--Congresses.
Motion pictures and history--Congresses.
World War, 1914-1918--Motion pictures and the war--Congresses.