Columbia subject headings:
Industries--South Africa--Periodicals.
South Africa--Commerce--Periodicals.
South Africa--Economic conditions--Periodicals.
South Africa. Board of Trade and Industries--Periodicals.
Harvard subject headings:
Industries--South Africa--Periodicals.
South Africa--Commerce--Periodicals.
South Africa--Economic conditions--Periodicals.
South Africa. Board of Trade and Industries--Periodicals.
Princeton subject headings: