“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”. 1867. Proceedings of the Society of Antiquaries of Scotland 7 (November): 334-57. https://doi.org/10.9750/PSAS.007.334.357.