World War II pillbox at Sugar Sands (Longhoughton) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
(1) GUARD, 1993. Northumberland Coastal Survey. (Unpublished)
(2) Field Investigators Comments F1 - AKE, 21-Sep-2013
(3) Hall, I., 2013. Relics of War; A Guide to the 20th Century Military Remains in the Northumberland Landscape. (Wanney Books), 14
(4) This record includes National Record of the Historic Environment Information provided by Historic England on 4 January 2021 licensed under the Open Government Licence [http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/]
(4a) Vertical aerial photograph NMR OS/71070 216 11-APR-1971