M.A.M. van - Hoek The Prehistoric Rock Art of Galloway Prehistory (General) TDGNHAS Series III, 61 (1986), 20(WARNING very large file size: 22.66 MB)
M.A.M. van - Hoek Further Notes on Prehistoric Rock Art of Galloway Prehistory (General) TDGNHAS Series III, 62 (1987), 9(WARNING very large file size: 27.9 MB)
