-, -. Anniversary meeting: 30 November 1965. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 98, p. 346–351, 1967. DOI: 10.9750/PSAS.098.346.351. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10625. Acesso em: 5 may. 2024.