-, -. Anniversary meeting: 30 November 1957. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 90, p. 269–273, 1959. DOI: 10.9750/PSAS.090.269.273. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10615. Acesso em: 19 apr. 2024.