Gregory, J W, James Ritchie, W Q Kennedy, and Duncan Leitch. “Some Caves and a Rock Shelter at Loch Ryan and Port-Patrick, Galloway”. Proceedings of the Society of Antiquaries of Scotland 64 (November 30, 1930): 247–264. Accessed November 22, 2024. https://journals.socantscot.org/index.php/psas/article/view/7793.