| Administrative History | The Niger mission [A 3] was founded in 1857, following the third Niger expedition. It centred on Onitsha, but gradually spread up the Niger.
From 28 January 1900 the work in the North was considered a separate entity by the Group 3 Committee. |
| Custodial History | Papers catalogued by: H. S. Cobb 1952. Hard copy handlist revised and expanded: Rosemary Keen 1978. |