| Level | Item |
| Reference Number (click to see whole series/group) | M5/611 |
| Extent | 1 volume |
| Title | SECRETARY'S DEPARTMENT: PORTERS |
| Date | 7 Jul 1921 - 26 Nov 1940 |
| Description | Sundry memoranda and instructions, including Superintendent of the Watch. |
| Original Reference | B473_3 |
| Keyword | staff |