TAYLOR, D B; HENSHALL, Audrey S. Excavation of a promontory fort, broch and souterrain at Hurly Hawkin, Angus. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 112, p. 215–253, 1983. DOI: 10.9750/PSAS.112.215.253. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9082. Acesso em: 22 may. 2024.