KEEF, Phoebe A M. Excavations at Chester Hill Fort, Hundleshope, in Manor Parish, 1939. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 80, p. 66–73, 1948. DOI: 10.9750/PSAS.080.66.73. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8249. Acesso em: 25 apr. 2024.