| Level | Sub-sub-fonds |
| Finding Number (Click this to view full catalogue structure) | CMS/B/OMS |
| Title | Overseas mission series |
| Date | 1803-1934 |
| Description | Papers that were compiled at CMS headquarters by the different departments of the Overseas Division (initially Foreign Division) and arranged by individual mission. For example, papers of the Yoruba Mission. |
| Access Conditions | Where microfilm or digital copies are available, these are made available in place of the original documents for preservation reasons. |
| Access Status | Open, but subject to some access restrictions |