| RefNo | HD/4/5 |
| Level | Series |
| Title | Conferences |
| Date | 1931-1964 |
| Description | Correspondence and papers relating to conferences and symposia attended by Dale, with copies of his contributions |
| Extent | 34 files |
| Format | Manuscript, typescript and printed documents |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |