Burl, H A W, et al. “Report on the Excavation of a Neolithic Mound at Boghead, Speymouth Forest, Fochabers, Moray, 1972 and 1974”. Proceedings of the Society of Antiquaries of Scotland, vol. 114, Nov. 1985, pp. 35-73, doi:10.9750/PSAS.114.35.73.