TY - JOUR A1 - Smith, D. E. T1 - Primitive Man T2 - Human History, New York (Norton) 1929, pp. 165-180. Y1 - 1929 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/20829 N1 - Xeroxcopy - with marks ER -