“Notice of Sepulchral Mounds and Cup-Marked Stones, Near Fortingall, in Glenlyon, Perthshire”. Proceedings of the Society of Antiquaries of Scotland 18 (November 30, 1884): 376–378. Accessed February 8, 2026. https://journals.socantscot.org/index.php/psas/article/view/6116.