ALLEN, John Romilly. On the Discovery of a Sculptured Stone at St Madoes, with an Analysis of Interlaced Ornament. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 17, p. 211–271, 1883. DOI: 10.9750/PSAS.017.211.271. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6055. Acesso em: 25 apr. 2024.