Callander, J Graham. “A Collection of Stone and Flint Implements from Airhouse, Parish of Channelkirk, Berwickshire”. Proceedings of the Society of Antiquaries of Scotland 62 (November 30, 1928): 166–180. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/7722.