Otterburn Tower Hotel (Otterburn) - 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The information on this website is based on a range of published and unpublished works.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 1921-48
2) Archaeologia Aeliana 3rd series 21 1924 121-22, 131 (H Pease)
3) Hugill, R, 1939. Borderland Castles and Peles. (155)
4) Field Investigators Comments F1 ASP 24-MAY-1957
5) 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/]
5a) List of Buildings of Special Architectural or Historic Interest, District of Tynedale, 07-JAN-1988
5b) Dodds, J F, 1999. Bastions and Belligerents: Medieval Strongholds in Northumberland, p331-4
5c) Castellarium anglicanum : an index and bibliography of the castles in England, Wales and the Islands. Volume II : Norfolk-Yorkshire and the islands, David J Cathkart King (1983), p352