Dr H(astings) Kamuzu Banda, Zomba, etc., Malawi: race relations, economic prosperity and agriculture in Malawi; the tampering with Roy Welensky's mail; relations between Malawi and South Africa, Banda's visit and Roy Welensky's impressions of South Africa (1971); communications via M.H. Blackwood; Anglo-Rhodesian negotiations: Mozambique, Oct 1970-Jul 1972; Sep 1974; May 1979; Mar 1981