Sir Albert 'Robbie' Robinson, Rhodesia House, London, etc.: social and personal; first discussions with Macmillan, Macleod, and Sandys (4 May 1961) and impressions gained; Northern Rhodesian (Zambian) constitutional negotiations; buying Roy Welensky a boat for Lake Kariba; Roy Welensky's discussions with Verwoerd (1963), Jan 1961-Dec 1963