| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 3759/2/25 |
| Alt Ref No | IK/89 |
| Title | Knuckle, nine castles of: plan |
| Date | 1949 |
| Extent | 1 item |
| Description | Plan of the nine castles of the Knuckle (Fraserburgh Area), by William Douglas Simpson, Easter 1949 |
| Access Status | Open |
| Physical Description | Ink on tracing paper which has been backed onto board |