Historical Overview of Black Resistance, 1932-1952 - The Congress of the People and Freedom Charter Campaign by Ismail Vadi, New Delhi, 1995
… Through a more refined approach, communists like Marks, Kotane, Mofutsanyana, Radebe and Dadoo, 'entered' the … over to Dr. Moroka, Sisulu, Mandela, Tambo, Mda, Kotane, Marks and Z.K. Mathews. With them all three ideological … organisational and preparatory work amongst workers. J.B. Marks (CNETU President), Makabeni, Dan Tloome, David Nkosana, …