Cook, Murray, Hana Kdolska, Lindsay Dunbar, Rob Engl, Stefan Sagrott, Denise Druce, and Gordon Cook. 2011. “New Light on Oblong Forts: Excavations at Dunnideer, Aberdeenshire”. Proceedings of the Society of Antiquaries of Scotland 140 (November):79-91. https://doi.org/10.9750/PSAS.140.79.91.