Calder, Charles S T, and J R C Hamilton. “Report on the Partial Excavation of a Broch at Sae Breck, Esha Ness, in the Parish of Northmaven, Shetland: With a Report on the Pottery”. Proceedings of the Society of Antiquaries of Scotland 86 (November 30, 1954): 178–186. Accessed April 20, 2024. https://journals.socantscot.org/index.php/psas/article/view/8415.