Expeditions to Mount Kinabalu and exploration of the interior of North Borneo.
12 volumes across 4 series.
| Reference | Series | Volume Title | TNA |
|---|---|---|---|
| CO 1030/800 | CO 1030 | Fund for erection of war memorial on Mount Kinabalu, North Borneo | ↗ |
| CO 1069/551 | CO 1069 | SARAWAK 3. Interior views of the Astana and portraits of the first Rajah, Sir James Brooke | ↗ |
| CO 531/26/11 | CO 531 | Proposed Expedition by Harvard University to Study Primates in Northern Siam and Borneo | ↗ |
| CO 874/1034 | CO 874 | Correspondence. Development of the Interior Residency | ↗ |
| CO 874/353 | CO 874 | Correspondence. British Borneo Exploration Co. Ltd. Papers | ↗ |
| CO 874/354 | CO 874 | Correspondence. Expeditions to Mount Kinabalu | ↗ |
| CO 874/413 | CO 874 | Correspondence. Inward despatches from the Company’s Governor. 1 Tenom-Tawao Expedition. 2 Marudu Bay (Tang Fong Batu) - Sandakaran Expedition | ↗ |
| CO 874/76 | CO 874 | Diaries. F. Hatton, Manuscript Copy of Pencil Diary of His Last Expedition | ↗ |
| CO 874/828 | CO 874 | Correspondence. Manganese, British Borneo Syndicate & British Borneo Exploration Co. | ↗ |
| CO 874/829 | CO 874 | Correspondence. Manganese, British Borneo Syndicate & British Borneo Exploration Co. | ↗ |
| CO 874/891 | CO 874 | Correspondence. Minerals in British North Borneo Exploration Co. | ↗ |
| CO 874/892 | CO 874 | Correspondence. Minerals in British North Borneo Exploration Co. | ↗ |