WOOLLISCROFT, David J; HOFFMANN, Birgitta; WILD, F C; FINNEGAN, A C; BARHAM, E M. Excavations at Cuiltburn on the Roman Gask System, Perth and Kinross. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 131, p. 149–166, 2002. DOI: 10.9750/PSAS.131.149.166. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9552. Acesso em: 26 apr. 2024.