Columbia subject headings:
Foreign workers, Chinese--South Africa--Transvaal--History.
Gold miners--South Africa--Transvaal--History.
Gold mines and mining--South Africa--Transvaal--History.
Harvard subject headings:
Foreign workers, Chinese--South Africa--Transvaal--History.
Gold miners--South Africa--Transvaal--History.
Gold mines and mining--South Africa--Transvaal--History.
Princeton subject headings:
Foreign workers, Chinese--South Africa--Transvaal--History.
Gold mines and mining--South Africa--Transvaal--History.