Columbia subject headings:
Fascism--Italy.
Italo-Ethiopian War, 1935-1936--Chemical warfare.
Harvard subject headings:
Fascism--Italy
Italo-Ethiopian War, 1935-1936--Chemical warfare.
Princeton subject headings:
Chemical weapons--Italy--History--20th century.
Gases, Asphyxiating and poisonous--War use--History--20th century.
Italo-Ethiopian War, 1935-1936--Chemical warfare.