Columbia subject headings:
South Africa--History--1909-1961.
South Africa--Politics and government--1909-1948.
South Africa--Politics and government--1948-1961.
Harvard subject headings:
South Africa--History--1909-1961.
South Africa--Politics and government--1909-1948.
South Africa--Politics and government--1948-1961.
Princeton subject headings:
South Africa--History--1909-1961.