| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2788/2/16 |
| Title | Notebook belonging to M.V. Hay |
| Date | c.1956 |
| Extent | 1 item |
| Description | Notebook belonging to Hay containing historical notes but also some pages containing codes with note to refer to David Kahn. |
| Access Status | Open |