-, -. Anniversary meeting: 30 November 1959. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 92, p. 127–130, 1961. DOI: 10.9750/PSAS.092.127.130. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10617. Acesso em: 25 apr. 2024.