| Level | Item |
| Finding Number (Click this to view full catalogue structure) | CMS/B/OMS/C A1 E2/138b [138] |
| Title | Letter from David Thomas Senior, Assistant Surgeon [enclosure of 138]: 27 February 1812: Sierra Leone |
| Extent | 1 doc. |
| Date | 1812 |
| Description | Medical certificate: Nylander's debility necessitates a change of climate. |
| Access Status | Open |
| Physical Description | E2: The numbers are original numbers and the first 17 documents bear either one or two crossed-out numbers as well. Several numbers are missing and so marked and several documents had been previousy transferred to other series and are so marked. |