| Level | Series |
| Finding Number (Click this to view full catalogue structure) | CMS/B/OMS/G3 A5 L |
| Title | Letter-books [outgoing] |
| Extent | 12 volumes |
| Date | 1883-1934 |
| Description | Letter-books contain copies of outgoing correspondence from Secretaries at headquarters as Committee's representatives to missionaries, also occasionally copies of correspondence and papers from others concerned with the mission affairs in Britain and overseas. The volumes have name indexes. |
| Access Conditions | For conservation reasons, microfilm or digital copies are made available in place of the original documents. |
| Access Status | Open, but subject to some access restrictions |