Curle, Alexander O. “An Account of Further Excavation at Jarlshof, Sumburgh, Shetland, in 1932 and 1933, on Behalf of H M Office of Works”. Proceedings of the Society of Antiquaries of Scotland 68 (November 30, 1934): 224–319. Accessed May 3, 2024. https://journals.socantscot.org/index.php/psas/article/view/7913.