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Johnston's administration : a history of the British Central Africa administration, 1891-1897
Baker, C. A., (1970)
The rise of nationalism in Central Africa : the making of Malawi and Zambia 1873 - 1964
Rotberg, Robert I., (1965)
Southern African voting patterns in the United Nations General Assembly, 1971 and 1972
Hirschmann, David, (1973)