| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 3682/6/4/1 |
| Title | Portrait photograph of Kosterlitz's brother |
| Date | c1920s - 1930s |
| Extent | 1 item |
| Description | Black and white graduation photograph, thought to be of Kosterlitz's brother, c1920s - 1930s. Mounted. |
| Access Status | Open |