Columbia subject headings:
Africa--Politics and government.
Ethiopia--Foreign relations--Italy.
Italy--Foreign relations--Ethiopia.
Slavery--Ethiopia.
Harvard subject headings:
Africa--Politics and government.
Ethiopia--Foreign relations--Italy.
Italy--Foreign relations--Ethiopia.
Slavery--Ethiopia.
Princeton subject headings:
Africa--Politics and government.
Ethiopia--Foreign relations--Italy.
Italy--Foreign relations--Ethiopia.
Slavery--Ethiopia.