GRAHAM, Angus. Some Carved Stones from Argyll. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 60, p. 123–132, 1926. DOI: 10.9750/PSAS.060.123.132. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7664. Acesso em: 25 apr. 2024.