Christison, D. 1889. Notice of a Flint Arrow-Head found at Ballachulish, and another at Boleskin. Exhibited by Alexander Ross, F.S.A. Scot., Inverness. Proceedings of the Society of Antiquaries of Scotland. 23, (Nov. 1889), 93–94. DOI:https://doi.org/10.9750/PSAS.023.93.94.