Stuart, John. “Notices of Various Stone Circles in the Parishes of Cairney, Monymusk, and Tough, Aberdeenshire; And of Inverkeithny, Banffshire”. Proceedings of the Society of Antiquaries of Scotland 1 (November 30, 1854): 141–142. Accessed April 20, 2024. https://journals.socantscot.org/index.php/psas/article/view/3938.