-, -. Anniversary meeting: 30 November 1999. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 129, p. 916–936, 2000. DOI: 10.9750/PSAS.129.916.936. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10071. Acesso em: 2 may. 2024.