ARNOLD, Thomas. An Attempt to Explain some of the Symbols on the Sculptured Stones of Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 12, p. 101–103, 1877. DOI: 10.9750/PSAS.012.101.103. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5802. Acesso em: 25 apr. 2024.