Columbia subject headings:
Harvard subject headings:
Food relief, American--Nigeria, Eastern.
Nigeria--Foreign relations--United States.
Nigeria--History--Civil War, 1967-1970--Civilian relief.
United States--Foreign relations--Nigeria.
Princeton subject headings:
Food relief, American--Nigeria, Eastern.
Nigeria--Foreign relations--United States.
Nigeria--History--Civil War, 1967-1970--Civilian relief.
United States--Foreign relations--Nigeria.