Pillbox (Warkworth) - 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The information on this website is based on a range of published and unpublished works.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) British Coal Opencast, 1993. Chester House Extension, Environmental and Supporting Statement: Part B10 Archaeology and Cultural Heritage.
(2) Defence of Britain Database (site S0002877)
(3) 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/]
(3a) Oblique aerial photograph reference number NMR NU 2504/1 (15958/57) 19-JUL-1994
(3b) Migrated Defence of Britain Project database record originally compiled from various sources The two databases developed by the Project can be searched on-line through the Archaeology Data Service at http://ads.ahds.ac.uk/catalogue/specColl/dob/index.cfm
(3c) List of Buildings of Special Architectural or Historic Interest District of Alnwick, 31-MAY-1991
(3d) Oral information, correspondence (not archived) or staff comments SC, 26-SEP-2006
(3e) Oral information, correspondence (not archived) or staff comments Examination of EH deskGIS mapping, 26-SEP-2006