GALLOWAY, William. Notice of a Camp on the Midhill-Head, on the Estate of Borthwick Hall, in the Parish of Heriot, Midlothian, the property of D J Macfie, Esq. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 14, p. 254–260, 1880. DOI: 10.9750/PSAS.014.254.260. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5922. Acesso em: 18 apr. 2024.