EDWARDS, Arthur J H; BRYCE, Thomas H. Excavation of a number of Graves in a Mound at Ackergill, Caithness: With a Report on the Skeletal Remains from the Graves. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 60, p. 160–182, 1926. DOI: 10.9750/PSAS.060.160.182. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7662. Acesso em: 18 jul. 2024.