| RefNo | HD/12/2 | 
| Previous numbers | 93HD.47.13 (part) | 
| Level | File | 
| Title | Correspondence 1943-1966 | 
| Date | 1940-1966 | 
| Description | General correspondence with or concerning the National Institute for Medical Research following Dale's retirement in 1942 | 
| Extent | 149 papers  | 
| Format | Manuscript, typescript and printed documents | 
| AccessStatus | Open | 
| AccessConditions | OPEN - but with some restrictions |