Pillbox, Dawdon Blast Beach, Hawthorn - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Archaeological Services University of Durham, Carne, P | 04-Dec-1998 | Turning the Tide, Archaeological Assessment | Site Number 113, pg 59 |
| 2 | Archaeological Services University of Durham, Hindmarch, E, Carne, P | Jun-1998 | Disused Structures along the Durham Coastline: an archaeological record | |
| 3 | Fortress Study Group | 1994 | Fortress Study Group Index | |
| 4 | Benson, N | 12-Oct-2017 | Three photgraphs of pill box on Blast Beach, Seaham | |
| 5 | Council for British Archaeology | Apr-1995 to Mar-2002 | Defence of Britain (DoB) Project database | |
| 6 | Unknown | Historic England Aerial Photographs Collection | RAF/58/B/62 5134 13-SEP-1948; RAF/4D/BR42/B 0034 25-JUL-1940; NMR NZ 4346/1 (31042/PO-629) 08-JUL-1940 |