Styford (Bywell) - 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The information on this website is based on a range of published and unpublished works.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) Ordnance Survey Map OS 25 inch 1962
2) Field Investigators Comments F1 JLD 17-MAY-1956
3) Field Investigators Comments F2 RWE 22-FEB-1966
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) Bastions and Belligerents: Medieval Strongholds in Northumberland, J F Dodds (1999) page 452-3