-, -. Anniversary meeting: 30 November 1988. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 118, p. 337–341, 1989. DOI: 10.9750/PSAS.118.337.341. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10667. Acesso em: 7 may. 2024.