-, -. Anniversary meeting: 30 November 1989. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 119, p. 382–387, 2021. DOI: 10.9750/PSAS.119.383.387. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10669. Acesso em: 3 may. 2024.