GORDON, C A. The Pictish animals observed. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 98, p. 215–224, 1967. DOI: 10.9750/PSAS.098.215.224. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8680. Acesso em: 22 jul. 2024.