Columbia subject headings:
Cameroon. 1918.
World War, 1914-1918--Campaigns--Cameroon.
World War, 1914-1918--Prisoners and prisons.
Harvard subject headings:
Cameroon--History.
World War, 1914-1918--Campaigns--Cameroon
World War, 1914-1918--Prisoners and prisons.
Princeton subject headings: