Noble, Gordon, James O’Driscoll, Cathy MacIver, Edouard Masson-MacLean, and Oskar Sveinbjarnarson. “New Dates for Enclosed Sites in North-East Scotland”. Proceedings of the Society of Antiquaries of Scotland 149 (November 30, 2020): 165-196. Accessed July 4, 2022. http://journals.socantscot.org/index.php/psas/article/view/10373.