Curle, A.O. 1936. Account of the excavation of an iron smeltery, and of an associated dwelling and tumuli at wiltrow in the parish of Dunrossness, Shetland. Proceedings of the Society of Antiquaries of Scotland. 70, (Nov. 1936), 153–169. DOI:https://doi.org/10.9750/PSAS.070.153.169.