Correspondence between D C Martin, Royal Society and J D Higham, Colonial Office The first letter to Higham from Martin is accompanied by a copy of a letter adressed to the Govenor of North Borneo, about the proposal for a second expedition to North Borneo. There is a reply to this letter from Higham in which he explains the Governor will not be in office at the time of the proposed expedition. 27 March 1963 - 26 April 1963