SHERRIFF, John R. Trial excavations in two Angus burghs. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 122, p. 355–364, 1993. DOI: 10.9750/PSAS.122.355.364. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9445. Acesso em: 27 apr. 2024.