Columbia subject headings:
Black people--Employment--South Africa.
Black people--South Africa--Politics and government.
Labor unions, Black--Political activity--South Africa.
Harvard subject headings:
Black people--Employment--South Africa
Black people--South Africa--Politics and government
Labor unions, Black--Political activity--South Africa.
Labor unions, Black--South Africa--Political activity.
Princeton subject headings:
Black people--Employment--South Africa.
Black people--South Africa--Politics and government.
Labor unions, Black--South Africa--Political activity.