-, -. Anniversary meeting: 30 November 1956. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 89, p. 469–472, 1958. DOI: 10.9750/PSAS.089.469.472. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10614. Acesso em: 29 apr. 2024.