GRAHAM, Angus. Old harbours and landing-places on the east coast of Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 108, p. 332–365, 1979. DOI: 10.9750/PSAS.108.332.365. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8978. Acesso em: 3 may. 2024.