HINGLEY, Richard. Society in Scotland from 700 BC to AD 200. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 122, p. 7–53, 1993. DOI: 10.9750/PSAS.122.7.53. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9427. Acesso em: 25 apr. 2024.