HAY, William Waring. Description of Two Ancient Camps on the Estate of Hay Newton, of Newton, Esq., East Lothian. Archaeologia Scotica, [S. l.], v. 3, p. 301–305, 1832. Disponível em: https://journals.socantscot.org/index.php/arch-scot/article/view/244. Acesso em: 24 apr. 2024.