The African origin of civilization : myth or reality

Towards the African Renaissance : essays in african culture & development 1946-1960

Civilization or barbarism : an authentic anthropology

The cultural unity of Black Africa : the domains of patriarchy and of matriarchy in classical antiquity

Black Africa : the economic and cultural basis for a federated state

Precolonial Black Africa : a comparative study of the political and social systems of Europe and Black Africa, from antiquity to the formation of modern states

Precolonial Black Africa : a comparative study of the political and social systems of Europe and Black Africa, from antiquity to the formation of modern states