-, -. Anniversary meeting: 30 November 1990. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 120, p. 233–237, 1991. DOI: 10.9750/PSAS.120.233.237. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10670. Acesso em: 29 apr. 2024.