| RefNo | HD/6/6/1/235 |
| Previous numbers | 93HD.5.3.235 |
| Level | Item |
| Title | Telegram from [Sir Geoffrey] Jefferson to secretary to Dale |
| Date | 26 November 1959 |
| Description | Asking her to tell Dale in Cambridge that Mitchell is a possible signatory [for the certificates for Brain and Brock] |
| Extent | 1p |
| Format | Typescript |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |