STELL, Geoffrey. John Dunbar. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 147, p. 9–16, 2018. DOI: 10.9750/PSAS.147.0003. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10104. Acesso em: 25 apr. 2024.