Columbia subject headings:
Imperialism.
Italo-Ethiopian War, 1935-1936.
Italy--Foreign relations--1914-1945.
Italy--Foreign relations--Spain.
Spain--Foreign relations--Italy.
Harvard subject headings:
Imperialism
Italo-Ethiopian War, 1935-1936
Italy--Foreign relations--1914-1945
Italy--Foreign relations--Spain.
Spain--Foreign relations--Italy.
Princeton subject headings: