[1]
Lumsden, H.W. 1897. Notes on the Excavation of a Kitchen-midden and on a Cup-marked Stone, at Den of Dun, Forfarshire. Proceedings of the Society of Antiquaries of Scotland. 31, (Nov. 1897), 240–243. DOI:https://doi.org/10.9750/PSAS.031.240.243.