KERR, Henry. Notes on the Nether Bow Port, Edinburgh. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 67, p. 297–307, 1933. DOI: 10.9750/PSAS.067.297.307. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7881. Acesso em: 25 apr. 2024.