Callander, J. “A Collection of Prehistoric Relics from the Stevenston Sands, Ayrshire, and Other Objects in the National Museum”. Proceedings of the Society of Antiquaries of Scotland 67 (November 30, 1933): 26-34. Accessed March 29, 2024. http://journals.socantscot.org/index.php/psas/article/view/7868.