Watson, William. “Notice of the Discovery of Two Cists With Unburnt Burials, One Containing an Urn and a Small Bronze Pin, on the Farm of Drummond, Parish of Kiltearn, Ross-Shire”. Proceedings of the Society of Antiquaries of Scotland, vol. 23, Nov. 1889, pp. 138-9, doi:10.9750/PSAS.023.138.139.