Pritchard (J.-M.). A geography of East Africa, 1962 History of East Africa. Volume I. Edited by Roland Oliver and Gervase Mathew, 1963 Forrester (Marion W.). Kenya to-day : social prerequisites for Economic Development, 1962

Péhaut Yves. Pritchard (J.-M.). A geography of East Africa, 1962 History of East Africa. Volume I. Edited by Roland Oliver and Gervase Mathew, 1963 Forrester (Marion W.). Kenya to-day : social prerequisites for Economic Development, 1962. In: Cahiers d'outre-mer. N° 65 - 17e année, Janvier-mars 1964. pp. 113-115