“Descriptive List of Antiquities Near Loch Etive, Argyllshire, Consisting of Vitrified Forts, Cairns, Circles, Crannogs, &c.; With Some Remarks on the Growth of Peat”. 1872. Proceedings of the Society of Antiquaries of Scotland 9 (November): 81-106. https://doi.org/10.9750/PSAS.009.81.106.