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Die politischen Führungsschichten in den neuen Staaten Schwarz-Afrikas
Hauck, Gerhard, (1965)
The rise of the technocrats : a social history
Armytage, W. H. G., (1965)
Negro politics : the search for leadership
Wilson, James Q., (1960)
Rural labor and economic development in Brazil
Greenfield, Sidney M., (1965)