Curle, Alexander O. “The Wag of Forse, Caithness, Report of Further Excavation Made in 1947 and 1948”. Proceedings of the Society of Antiquaries of Scotland 82 (November 30, 1950): 275–285. Accessed April 18, 2024. https://journals.socantscot.org/index.php/psas/article/view/8311.