NEISH, James. Further Notice of Explorations on the Hill of the Laws, Forfarshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 5, p. 321–331, 1865. DOI: 10.9750/PSAS.005.321.331. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5144. Acesso em: 25 apr. 2024.