Columbia subject headings:
Africa, Eastern--Economic conditions--Statistics.
Africa, Eastern--Social conditions--Statistics.
Africa, Southern--Economic conditions--Statistics.
Africa, Southern--Social conditions--Statistics.
Sex distribution (Demography)--Africa, Eastern--Statistics.
Sex distribution (Demography)--Africa, Southern--Statistics.
Harvard subject headings:
Africa, Eastern--Economic conditions--Statistics.
Africa, Eastern--Social conditions--Statistics.
Africa, Southern--Economic conditions--Statistics.
Africa, Southern--Social conditions--Statistics.
Sex distribution (Demography)--Africa, Eastern--Statistics.
Sex distribution (Demography)--Africa, Southern--Statistics.
Princeton subject headings: