-, -. Anniversary meeting: 30 November 1979. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 110, p. 554–560, 1981. DOI: 10.9750/PSAS.110.554.560. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10643. Acesso em: 30 apr. 2024.