J. Graham - Callender Dumfriesshire in the Stone, Bronze and Early Iron Ages Prehistory (General), Neolithic, Bronze Age, Iron Age TDGNHAS Series III, 11 (1923-24), 97(WARNING very large file size: 45.36 MB)
J. Graham - Callender Horned Cairn, Cairnholy Neolithic, Bronze Age, Roman and Romano British TDGNHAS Series III, 13 (1925-26), 246(WARNING very large file size: 39.97 MB)
