Mapleton, R.J. 1867. Description of Stockaded Remains recently discovered at Arisaig, Inverness-shire, in a Letter to John Stuart, Esq., Sec.S.A.Scot. Proceedings of the Society of Antiquaries of Scotland. 7, (Nov. 1867), 516–519. DOI:https://doi.org/10.9750/PSAS.007.516.519.