Smith, John Alexander. “Notice of a Remarkable Bronze Ornament With Horns Found in Galloway, Now at Abbotsford. Also of a Bronze Ornament, Like a ’Swine’s Head,’ Found in Banffshire”. Proceedings of the Society of Antiquaries of Scotland 7 (November 30, 1867): 334–357. Accessed May 4, 2024. https://journals.socantscot.org/index.php/psas/article/view/5339.