Smith, John. “Notice of a Small Bronze Blade Found in a Cinerary Urn at Balblair, Sutherlandshire; Also Two Small Bronze Plates, in the Collection of His Grace the Duke of Sutherland”. Proceedings of the Society of Antiquaries of Scotland 7 (November 30, 1867): 475–477. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/5360.