Historical Overview of Black Resistance, 1932-1952 - The Congress of the People and Freedom Charter Campaign by Ismail Vadi, New Delhi, 1995
… communists, by 1928, comprised the great majority ~ 1,600 out of 1,750 members. But this development was not adequately … with an approximate membership of 20,000. This comprised 6/7 the of me total number of organised black workers on the …