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1969. . Fifth Summit Conference of East and Central African States. In: . Manifesto on Southern Africa; . April 14-16th– 1969 ; , Lusaka . . Lusaka : : Government Printer. .
Republic of Zambia. . 1971. . Dear Mr Vorster . . . Details of Exchanges between President Kaunda of Zambia and Prime Minister Vorster of South Africa . , Zambia Information Services. .