ALEXANDER, Derek et al. Redcastle, Lunan Bay, Angus: the excavation of an Iron Age timber-lined souterrain and a Pictish barrow cemetery. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 135, p. 41–118, 2006. DOI: 10.9750/PSAS.135.41.118. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9669. Acesso em: 12 jul. 2024.