Coles, Frederick R. “Notice of the Exploration of the Remains of a Cairn of the Bronze Age at Gourlaw, Mid-Lothian”. Proceedings of the Society of Antiquaries of Scotland 39 (November 30, 1905): 411–418. Accessed April 19, 2025. https://journals.socantscot.org/index.php/psas/article/view/6955.