text: 85.Leakey, Louis Seymour Bazett. Stone Age cultures of South Africa. Stone age Africa: an outline of prehistory in Africa Reprint. Negro Universities Press. 1936 miheca: 79 [2018-2-21]. In 1929, during a brief visit to the Transvaal, I myself found a number of pebble tools in some of the terrace gravels of the Vaal River, and similar finds have been recorded by Wayland, who visited South Africa, and by van Riet Lowe and other South African prehistorians.