Columbia subject headings:
Ethiopia--History--1889-1974.
Keren, Battle of, Keren, Eritrea, 1941.
Sandford, Daniel Arthur, 1882-1972.
Wingate, Orde Charles, 1903-1944.
World War, 1939-1945--Campaigns--Ethiopia.
World War, 1939-1945--Underground movements--Ethiopia.
Harvard subject headings:
Ethiopia--History, Military.
World War, 1939-1945--Campaigns--Ethiopia.
Princeton subject headings:
Ethiopia--History, Military.
World War, 1939-1945--Campaigns--Ethiopia.