Ryal Tower (Matfen) - 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The information on this website is based on a range of published and unpublished works.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.
(2) Dodds, M.H. 1926. A History of Northumberland, vol.12 (Newcastle), 340
(3) Long, B. 1967. Castles of Northumberland (Newcastle), 153