Letter from government officers upon his retirement as Treasurer of Sarawak, 1924; Sarawak racing programmes, 1904-1924; photographs relating to a service in Sarawak; dedication of a Sarawak World War II memorial window and tablet at Sheepstor, 1950.

Sarawak diaries, as Director of Education, 1949-1950, 1957-1962; miscellaneous correspondence, photographs and press cuttings relating to service in Sarawak, 1946-1973.

Photocopied transcripts, [1970s], of A plantsman's way, an account of his life and experiences in the Colonial Agricultural Service in Trinidad, Kenya, British Guiana, Sarawak and St. Helena, 1930-1970.

Reports, minutes, memoranda, etc. on economic development, Sarawak, 1946-1953, with Governor's addresses to the Council Negri (the Legislative Council), 1951-1953. Handing-over notes relating to service in Sarawak and Kenya, 1949-1959; press cuttings on events in Kenya, 1955-1963; memorandum by Sir Charles Mortimer on the history of land alienation and the policy of reservation of the Kenya Highlands for Europeans, with other papers on land in Kenya, 1935-1958.

From the depths of my memory, reminiscences of service in Malaya, Brunei, Singapore, Sarawak, Barbados and Malaysia, 1912-1976 (photocopied typescript), with texts of speeches made in Barbados.

Speeches, papers and reports on the financial position, rural development, economic aspects and development plan of Sarawak, also the Foochow Chinese, as Governor of Sarawak, 1950-1963.

Photographs of North Borneo (Sabah, Malaysia) [1914-1983] and Sarawak [1897-1973].