Joass, J M. “Notice of a Hoard of Bronze Vessels Found, in 1868, Near Helmsdale, Sutherland”. Proceedings of the Society of Antiquaries of Scotland 20 (November 30, 1886): 214–218. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/6198.