| RefNo | EXP/3/4 |
| Level | Series |
| Title | North Borneo Expeditions - Correspondence |
| Date | 1960 - 1966 |
| Description | Letters between the Royal Society and expedition personnel. In addition to this there is correspondence between those that helped or were involved indirectly with the expedition. Cross-over between this correspondence and letters from other files expected. Expedition personnel correspondence catalogued to item level, additional correspondents at file level. |
| Extent | 47 files |
| Format | Typescript and manuscript |
| Arrangement | Arranged by correspondent and then chronologically. |
| AccessStatus | Open |