“Notice of a Jet Necklace and Urn of the Food-Vessel Type, Found in a Cist at Balcalk, Tealing, and of the Opening of Hatton Cairn, Parish of Inverarity, Forfarshire”. Proceedings of the Society of Antiquaries of Scotland 14 (November 30, 1880): 260–267. Accessed October 28, 2025. https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/5923.