Gert J. Labuschagne, Mazabuka, Northern Rhodesia (Zambia), Mongu, Barotseland, etc.: establishment of the Federation; immigration; van Eeden and his support; South African politics; attitudes of the Northern Rhodesian (Zambian) civil service to the Federation (Zimbabwe, Zambia, and Malawi) and federalisation, Mar 1952-Dec 1960