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