Pictish chains and Welsh forgeries. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 128, p. 481–484, 1999. DOI: 10.9750/PSAS.128.481.484. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/10012. Acesso em: 31 oct. 2025.