HOWIE, Charles. Note of an Underground Structure on the Farm of Ardross, near Elie, Fife, with Ground Plan of the Structure. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 626–627, 1877. DOI: 10.9750/PSAS.012.626.627. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5847. Acesso em: 27 apr. 2024.