ROSS, Thos. Notice of Undescribed Hog-backed Monuments at Abercorn and Kirknewton. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 38, p. 422–427, 1904. DOI: 10.9750/PSAS.038.422.427. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6982. Acesso em: 25 apr. 2024.