Drummond, J. (1891) “Notes on Ancient shields and Highland Targets, one of the latter having embossed upon it the Cognisance of the Lord of the Isles”, Archaeologia Scotica, 5, pp. 213–224. Available at: https://journals.socantscot.org/index.php/arch-scot/article/view/317 (Accessed: 16 April 2024).