Columbia subject headings:
Witwatersrand (South Africa)--Economic conditions.
Witwatersrand (South Africa)--Social conditions.
Harvard subject headings:
Witwatersrand (South Africa)--Economic conditions.
Witwatersrand (South Africa)--Social conditions.
Princeton subject headings:
Witwatersrand (South Africa)--Economic conditions.
Witwatersrand (South Africa)--Social conditions.