YOUNGER, Harry J. An Underground Passage at Auchencass Castle, Dumfriesshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 65, p. 294–297, 1931. DOI: 10.9750/PSAS.065.294.297. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7818. Acesso em: 8 may. 2024.