| RefNo | HD/9/1/97 |
| Previous numbers | 93HD.64.3 |
| Level | Item |
| Title | Michael Perrin, Wellcome Foundation, London, to Dale |
| Date | 20 July 1956 |
| Description | Thanking Dale for his 'delightful' letter of 18 July, which he has read out to the Board and copied to Bill Creasy |
| Extent | 1p |
| Format | Typescript |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |