Anderson, George. “On Certain Vitrified (and Unvitrified) Forts in the Neighbourhood of Loch Ness and the Moray Firth”. Archaeologia Scotica 4 (November 30, 1858): 195–201. Accessed April 25, 2024. https://journals.socantscot.org/index.php/arch-scot/article/view/287.