Colour Cleugh deserted medieval village (Kielder) - Source of Reference
(2) This site was seen on an aerial photograph (ref: RAF CPE/SCOT/348 4127-8). Further details about looking at a copy of this photograph can be obtained from the home page.
(3) Charlton, D.B. and Day, J.C., 1979. Archaeologia Aeliana (5th Series) 7, 211.