Dobie, John Shedden. 1878. “Notice of a Small Urn, of the so-Called ’Incense Cup’ Type, Found at Barnfauld, Threepwood, Parish of Beith, in the Early Part of the Present Century, and Now Presented to the Museum”. Proceedings of the Society of Antiquaries of Scotland 12 (November):684-86. https://doi.org/10.9750/PSAS.012.684.686.