Correspondence, share registers, reports, etc. relating to the activities of the Central Mining and Investment Corporation Limited in Northern Rhodesia, Southern Rhodesia, Kenya, Ethiopia, British East Africa, French Madagascar, Portuguese Africa (Angola and Mozambique), the Sahara, the Sudan, Bechuanaland, South Africa, Canada, Burma, China, Indo-China , Iran, Turkey, Bolivia, Colombia, Venezuela, Barbados, British Guiana, Trinidad, United Kingdom, Australia and Fiji.
Also, papers relating to other companies including the Magadi Sodo Company; the British South Africa Company; Wernher, Beit & Company; Rand Mines; and the Transvaal Consolidated Land & Exploration Company.