Columbia subject headings:
Africa--Foreign relations--1960---Forecasting--Congresses.
Africa--Foreign relations--South Africa--Forecasting--Congresses.
South Africa--Foreign relations--1994---Forecasting--Congresses.
South Africa--Foreign relations--Africa--Forecasting--Congresses.
Twenty-first century--Forecasts--Congresses.
Harvard subject headings:
Africa--Foreign relations--1960---Congresses.
Africa--Foreign relations--21 century.
Africa--Foreign relations--South Africa--Congresses.
South Africa--Foreign relations--1994---Congresses.
South Africa--Foreign relations--21 century.
South Africa--Foreign relations--Africa--21 century.
South Africa--Foreign relations--Africa--Congresses.
Princeton subject headings:
Africa--Foreign relations--1960---Congresses.
Africa--Foreign relations--South Africa--Congresses.
South Africa--Foreign relations--1994---Congresses.
South Africa--Foreign relations--Africa--Congresses.