| Level | Sub-series |
| Finding Number (Click this to view full catalogue structure) | CMS/B/OMS/C C1 O 10-75 |
| Title | Letters and papers of individual missionaries, catechists and others |
| Extent | 2421 items |
| Date | 1822-1880 |
| Description | Documents listed simply as 'letters' are those written to the Secretaries at headquarters or the Committee of Correspondence [usually called the Parent Committee or P.C.] |
| Access Conditions | Microfilm or digital copies are made available in place of the originals. |
| Access Status | Open, but subject to some access restrictions |