Columbia subject headings:
Harvard subject headings:
Africa, Southern--Economic conditions--1975-1994--Congresses.
Africa, Southern--Politics and government--1975---Congresses.
Africa, Southern--Politics and government--1975-1994--Congresses.
Africa, Southern--Social conditions--1975-1994--Congresses.
Princeton subject headings:
Africa, Southern--Economic conditions--1975-1994--Congresses.
Africa, Southern--Politics and government--1975-1994--Congresses.