CHILDE, V Gordon; GRAHAM, Angus. Some notable prehistoric and medieval monuments recently exmined by the Royal Commission on Ancient and Historical Monuments of Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 77, p. 31–49, 1943. DOI: 10.9750/PSAS.077.31.49. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8194. Acesso em: 30 apr. 2024.