Castle Knowe Camp (Ingram) - Source of Reference
(2) MacLauchlan, H. 1867. Notes not included in the memoirs already published on Roman roads in Northumberland (London), 55
(3) Dodds, M.H. 1935. A History of Northumberland, vol.14 (Newcastle), 62
(4) Jobey, G. 1965. Archaeologia Aeliana (4th Series) 43, 61
(5) Further information about the protected nature of this site can be obtained from here.