RITCHIE, James. Whin-Mills in Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 59, p. 128–142, 1925. DOI: 10.9750/PSAS.059.128.142. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7643. Acesso em: 23 apr. 2024.