Twizel Castle (Duddo) - 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The information on this website is based on a range of published and unpublished works.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) Tomlinson, W.W., reprinted 1985. Comprehensive Guide to Northumberland (Newcastle upon Tyne), 552.
(3) Ryder, P.F., 1995. Towers and Bastles in Northumberland, Part 2 Berwick District, 14-15. This is an unpublished report. Further information can be obtained from here.
(4) Nenk, B.S., Margeson, S. and Hurley, M., 1994. Medieval Archaeology 30, 239.
(5) Unpublished sources were used to create this record. For further information about these sources please contact us quoting the following reference number:N972.
(6) Further information about the protected nature of this site can be obtained from here.