Prehistoric settlement and field system on Hart Heugh (Earle) - 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The information on this website is based on a range of published and unpublished works.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) Annotated Record Map Corr 6 inch (Sir Walter de la Aitchison 1951)
(2) Field Investigators Comments F1 DS 04-JUN-1969
(3) Field Investigators Comments F2 SA 23-AUG-1976
(4) DOE (IAM) AMs 1978. List of ancient monuments in England: Volume 1, Northern England, 39.
(5) DOE (IAM) AMs England Northumuberland 393/b (03-Nov-1986)
(6) Scheduled Monument Notification DOE (IAM) AMs of England SM31716 15-FEB-1999
(7) 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/]
(7a) English Heritage, 1995. County list of Scheduled Monuments: March 1994, 20.