Bruce-Clarke, William, and Randall Johnson. “On the Osseous Remains of the Borness Bone Cave, Kirkcudbrightshire”. Proceedings of the Society of Antiquaries of Scotland 10 (November 30, 1875): 499-507. Accessed October 5, 2023. http://journals.socantscot.org/index.php/psas/article/view/5692.