J. Barber and M. Stenhouse Long Knowe Earthwork Enclosure: Report on Radio Carbon Dating Assays Iron Age TDGNHAS Series III, 56 (1981), 67(WARNING very large file size: 42.64 MB)
J. Barber, I.D. Mate and C.J. Tabraham The Deil's Dyke, Nithsdale Mediaeval TDGNHAS Series III, 57 (1982), 29(WARNING very large file size: 87.24 MB)