Stein, Mark1978-04-201978-04-201978-04-20http://hdl.handle.net/10539/8092Paper presented at the Wits History Workshop: The Witwatersrand; Labour, Townships and Patterns of Protest, 1978The need for an industry by industry approach to the study of African Trade Unionism: with particular reference to the Witwatersrand in the 1930's and 1940'sWorking Paper