LAING, Lloyd R. Picts, Saxons and Celtic metalwork. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 105, p. 189–199, 1975. DOI: 10.9750/PSAS.105.189.199. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8881. Acesso em: 3 may. 2024.