Know your enemy a series of talks by Ivor Benson broadcast in the English Service of the South African Broadcasting Corporation during Oct/Nov 1963 Benson, Ivor creator text n monographic eng print 42 p. Ivor Benson. Speeches Radio Antisemitism South Africa 1960-1969 X3g Introduction to the World of Opinion - Making and Psycho - Political Warfare Series 1 wie 9912 10870