Coles, Frederick R. “Notices (I.) Of the Discovery of a Cist and Bronze Blade at Letham Quarry, Perth; (II.) of the Standing Stones at High Auchenlarie, Anwoth, Kirkcudbrightshire”. Proceedings of the Society of Antiquaries of Scotland 31 (November 30, 1897): 181–188. Accessed April 29, 2024. https://journals.socantscot.org/index.php/psas/article/view/6659.