| Level | Item |
| Reference Number (click to see whole series/group) | M5/609 |
| Extent | 1 volume |
| Title | SECRETARY'S DEPARTMENT: PORTERS |
| Date | 18 Jul 1854 - 5 May 1915 |
| Description | Sundry memoranda and instructions, including Superintendent of the Watch. |
| Original Reference | B473_1 |
| Keyword | staff |