Key points are not available for this paper at this time.
Abstract Source Material on the South African Economy 1860–1970 by H. Hobart Houghton and J. Dagut. Vol. 1, 1972, pp. 369; Vol. II, 1972, pp. 247; Vol. III, 1973, pp. 263. Cape Town: Oxford University Press.
Mike Morris (1976) studied this question.