Columbia subject headings:
Constitutional law--Congresses.
Constitutional law--South Africa--Congresses.
South Africa--Politics and government--1961-1978--Congresses.
Harvard subject headings:
Constitutional law--Congresses
Constitutional law--South Africa--Congresses.
South Africa--Politics and government--1961---Congresses.
South Africa--Politics and government--1961-1978--Congresses.
Princeton subject headings: