Thematic Index

Browse the archive by research theme. Each theme page lists matching volume references and links out to the UK National Archives Discovery catalogue.

The themes are generated from catalogue titles, so they are a finding aid rather than a final scholarly classification. Some broad regional series include Malaya, Singapore, and wider South East Asia records where they help explain the Borneo context.

351 volumes Sulu, Brunei & Sovereignty Claims Files on Sulu, Brunei, cession money, heirs, territorial claims, sovereignty, and North Borneo's legal-political foundations. 185 volumes Malaysia Formation & Cobbold Commission The 1962 Commission of Enquiry and Colonial Office correspondence relating to the formation of Malaysia and the merger of North Borneo and Sarawak. 65 volumes Sarawak Cession & Anti-Cession Politics Records on Sarawak's transfer from Brooke rule to Crown Colony government, including cession debates, Anthony Brooke, political reports, and constitutional files. 183 volumes WWII & Japanese Occupation Records relating to the Japanese occupation of British Borneo (1941–45), liberation, military administration, and post-war reconstruction. 46 volumes Native & Indigenous Affairs Correspondence and reports on indigenous peoples — Murut, Dusun, Bajau and others — including land rights, headmen, and native courts. 136 volumes Maps, Plans & Surveys Cartographic records — maps, plans, and charts of North Borneo, Labuan, Sarawak, and Borneo coastal waters.

Political history

Theme	Volumes	Use this for
Treaties & Cessions	224	Land grants, leases, cession deeds, and agreements with the Sultans of Brunei and Sulu — the legal foundations of British presence in Borneo.
Sulu, Brunei & Sovereignty Claims	351	Files on Sulu, Brunei, cession money, heirs, territorial claims, sovereignty, and North Borneo’s legal-political foundations.
Malaysia Formation & Cobbold Commission	185	The 1962 Commission of Enquiry and Colonial Office correspondence relating to the formation of Malaysia and the merger of North Borneo and Sarawak.
Sarawak Cession & Anti-Cession Politics	65	Records on Sarawak’s transfer from Brooke rule to Crown Colony government, including cession debates, Anthony Brooke, political reports, and constitutional files.
Constitutional Development & Self-Government	332	Constitutions, legislative councils, local government, commissions, elections, public service, and the transition from colonial rule to self-government.
Boundary & Territory	84	Boundary demarcations with the Netherlands (Dutch Borneo) and the Philippines, and territorial disputes.

War, security & reconstruction

Theme	Volumes	Use this for
WWII & Japanese Occupation	183	Records relating to the Japanese occupation of British Borneo (1941–45), liberation, military administration, and post-war reconstruction.
War Damage & Reconstruction	164	Post-war claims, reconstruction finance, rehabilitation, compensation, restored administration, and rebuilding after Japanese occupation.
Constabulary, Law & Ordinances	720	The North Borneo Constabulary, courts, prisons, legislation, and legal correspondence.
Security, Intelligence & Emergency Policy	235	Political intelligence, detention, internal security, communist organisation, emergency regulations, smuggling, and cross-border security files.

Society & administration

Theme	Volumes	Use this for
Education, Missions & Schools	289	Schools, teachers, missions, language policy, universities, youth services, and education planning in North Borneo and the wider region.
Immigration & Labour	396	Chinese, Javanese, and Indian immigration; labour recruitment, conditions, and the coolies system.
Native & Indigenous Affairs	46	Correspondence and reports on indigenous peoples — Murut, Dusun, Bajau and others — including land rights, headmen, and native courts.
Slavery & Debt Bondage	5	Colonial Office records relating to slavery and debt bondage in British North Borneo and the broader Borneo region.
Census & Population	57	Census records from 1901, 1911, 1921, 1931, and 1941, plus vital statistics and population surveys.
Medical & Public Health	239	Medical reports, hospital records, disease outbreaks, and public health administration.

Economy, land & infrastructure

Theme	Volumes	Use this for
Rubber & Plantation Agriculture	272	The rubber industry that defined the colonial economy of British North Borneo — company records, cultivation reports, and estate files.
Oil, Coal & Mining	109	Mineral resources including petroleum, coal, and gold — concessions, exploration reports, and correspondence with mining companies.
Railways & Infrastructure	199	State railways, roads, telegraph, postal services, and public works across British North Borneo.
Forestry & Timber	103	Annual reports, concessions, and correspondence relating to the Forestry Department and timber industry.
Finance, Trade & Customs	304	Financial accounts, trade returns, revenue, taxation, customs, and budgetary correspondence.
Birds Nests, Wildlife & Natural History	23	Cave concessions for edible birds nests, guano, and natural history records.
Chamber of Commerce & Business	18	North Borneo Chamber of Commerce minutes and correspondence with trading companies.

Sources, places & visual records

Theme	Volumes	Use this for
Maps, Plans & Surveys	136	Cartographic records — maps, plans, and charts of North Borneo, Labuan, Sarawak, and Borneo coastal waters.
Photographs & Visual Records	7	The Colonial Office photographic collection (CO 1069) and other visual records relating to British territories in Asia.
Diaries & Personal Records	29	Residents’ diaries and personal papers — including W.B. Pryer (Sandakan), W. Pretyman (Tampassuk), and F. Hatton.
Mount Kinabalu & Exploration	12	Expeditions to Mount Kinabalu and exploration of the interior of North Borneo.
Sandakan	46	Records specifically relating to Sandakan — the former capital of British North Borneo.
Labuan	56	Labuan correspondence, registers, entry books, coal, port, naval, commercial, and Borneo gateway records.