“Notice of Two Ancient Stone Collars dug up near the Parallel Roads of Glen Roy, in possession of the late Mr Byres, of Tonley”, arch-scot, vol. 3, p. 299, Nov. 1832, Accessed: Dec. 09, 2025. [Online]. Available: https://journals.socantscot.org/index.php/arch-scot/article/view/242