-, -. Anniversary meeting: 30 November 1981. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 112, p. 617–621, 1983. DOI: 10.9750/PSAS.112.617.621. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10658. Acesso em: 4 may. 2024.