Source: Gerhard Liesegang, "Notes on the Internal Structure of the Gaza Kingdom of Southern Mozambique, 1840-1895," in Before and After Shaka: Papers in Nguni History, ed. J. B. Peires (Grahamstown, South Africa: Institute of Social and Economic Research, Rhodes University, 1981), 209. Reprinted with permission of the Institute of Social and Economic Research, Rhodes University.