-, -. Anniversary meeting: 30 November 1964. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 97, p. 263–267, 1966. DOI: 10.9750/PSAS.097.263.267. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10623. Acesso em: 2 may. 2024.