Round cairn at Heddon Laws Farm (Heddon Law) (Heddon-on-the-Wall) - 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The information on this website is based on a range of published and unpublished works.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 6 inch 1920
2) Horsley, 1732. Britannia Romana. (139)
3) Proceedings of the Society of Antiquaries of Newcastle 4th series 6 1935 76-8
4) Dodds, M H, 1930. A History of Northumberland, vol 13 (Newcastle upon Tyne) (94)
5) OS 1:2500 1960
6) Field Investigators Comments F1 RWE 16-MAR-1966
7) English Heritage Schedule Entry 07/04/1997
8) 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/]
8a) English Heritage SAM List Northumbs March 1994 29