-, -. Anniversary meeting: 1 December 1980. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 110, p. 561–574, 1981. DOI: 10.9750/PSAS.110.561.574. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10645. Acesso em: 1 may. 2024.