SMITH, R Angus. Descriptive List of Antiquities near Loch Etive. Part IV. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 11, p. 298–305, 1875. DOI: 10.9750/PSAS.011.298.305. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5747. Acesso em: 6 may. 2024.