CHRISTISON, David. 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, [S. l.], v. 23, p. 93–94, 1889. DOI: 10.9750/PSAS.023.93.94. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6313. Acesso em: 29 apr. 2024.