-, -. Anniversary meeting: 1 December 1958. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 91, p. 209–212, 1960. DOI: 10.9750/PSAS.091.209.212. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10616. Acesso em: 27 may. 2024.