Scott, Laurence, and Charles Calder. “Notes on a Chambered Cairn and a Working Gallery, on the Beorgs of Uyea, Northmaven, Shetland”. Proceedings of the Society of Antiquaries of Scotland 86 (November 30, 1954): 171-177. Accessed March 29, 2024. http://journals.socantscot.org/index.php/psas/article/view/8414.