The Threat of African Tribalism
MARGARET CARSON HUBBARDmade her first visit to Northern Rhodesia and Portuguese East Africa in 1922, when she set about learning Nyanja, the lingua franca of Central Africa. In 1935 she made the long circuit from the Cape to Cairo, and since World War II she has made four return visits to South Africa, to the Congo and East Africa, to Ghana and the Federation.