WILSON, Daniel. Iron Dagger, East Langton. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 1, p. 73–74, 1852. DOI: 10.9750/PSAS.001.73.74. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/3919. Acesso em: 25 apr. 2024.