-, -. Anniversary meeting: 1 December 1986. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 116, p. 595–600, 1987. DOI: 10.9750/PSAS.116.595.600. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10665. Acesso em: 5 may. 2024.