Notes: (1) The Lang Cairn, Dumbarton, Muir. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 94, p. 315–317, 1963. DOI: 10.9750/PSAS.094.315.317. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8613. Acesso em: 5 dec. 2025.