GRAHAM, Angus. The old harbours of Dunbar. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 99, p. 173–190, 1968. DOI: 10.9750/PSAS.099.173.190. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8705. Acesso em: 18 apr. 2024.