Roman period native settlement near Catcleugh (Kielder) - Source of Reference
(2) Hogg, A.H.A., 1947. Proceedings of the Society of Antiquaries of Newcastle (4th Series) 11, 167.
(3) Dodds, M.H., 1940. History of Northumberland, volume 15 (Newcastle upon Tyne), 56.
(4) Further information about the protected nature of this site can be obtained from here.