-, -. Anniversary meeting: 30 November 1938. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 73, p. 1–6, 1939. DOI: 10.9750/PSAS.073.1.6. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8097. Acesso em: 3 may. 2024.