-, -. Anniversary meeting: 30 November 1966. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 98, p. 352–357, 1967. DOI: 10.9750/PSAS.098.352.357. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10627. Acesso em: 3 may. 2024.