Cook, Murray, Hana Kdolska, Lindsay Dunbar, Rob Engl, Stefan Sagrott, and Denise Druce. “New Light on Oblong Forts: Excavations at Dunnideer, Aberdeenshire”. Proceedings of the Society of Antiquaries of Scotland 140 (November 30, 2011): 79-91. Accessed March 20, 2023. http://journals.socantscot.org/index.php/psas/article/view/9753.