RITCHIE, Anna. Another Pictish cross-of-arcs: an old find from Shetland re-interpreted. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 147, p. 119–126, 2018. DOI: 10.9750/PSAS.147.1238. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/10107. Acesso em: 20 apr. 2024.