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Social anthropology in Central Africa
Gluckman, Max, (1956)
Physical anthropology, linguistics and cultural geography of South American Indians
Steward, Julian Haynes, (1950)
Economic development, integration, and morality in Asia and the Americas
Wood, Donald C., (2009)
A case study of actual development
Gray, Robert Fred, (1966)
Hajaro : a new Sonjo colony
Gray, Robert F., (1965)
Economic exchange in a Sonjo village
Gray, Robert F., (1962)