“Notes on Tumuli in Cullen District; And Notice of the Discovery of Two Urns at Foulford Near Cullen”. Proceedings of the Society of Antiquaries of Scotland 31 (November 30, 1897): 216–223. Accessed October 26, 2025. https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/6663.