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Kalahari : Steinzeitmenschen im Atomzeitalter
Bjerre, Jens, (1963)
King Kazembe and the Marave, Cheva, Bisa, Bemba, Lunda, and other peoples of Southern Africa : being the diary of the Portuguese expedition to that potentate in the years 1831 and 1832
Gamitto, António Cândido Pedroso, (1960)
Black man's country : a journey through Ghana
Eskelung, Karl, (1958)