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The Great Depression 1929 - 1934 : adverse exchange rates and the South African wool farmer
Minnaar, Anthony de, (1990)
The effects of the Great Depression (1929 - 1934) on South African white agriculture
Co-operation and competition in the marketing of maize in South Africa
Frankel, Herbert, (1926)
The growth and development of small cane growers in Zululand : (1950s - 1980s)