-, -. Anniversary meeting: 30 November 1967. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 99, p. 375–379, 1968. DOI: 10.9750/PSAS.099.275.279. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10628. Acesso em: 28 apr. 2024.