Compilation of conference papers, presented at a meeting, on the impact of pluralistic social structures on political and social change in Africa - covers social theories, intergroup relations (incl. Between Europeans Asians, tribal peoples, etc.), leadership, social integration, cultural factors, etc., and includes case studies of social behaviour in African countries prior to and since deconolization. Bibliography pp. 491 to 527. Conference held in los angeles 1966.

Compilation of essays analysing social conflict and political opposition in Brazil and Angola - includes papers on the role of Portugal during colonialism, African nationalism, Brazilian revolutionary social movements and peasant movements, etc., and includes two comparisons on portugal's contribution to underdevelopment in Africa and Brazil and the relationship of religion, race and nationalism to social class protest and economic development. References.