CALDER, Charles S T. Three Fragments of a Sculptured Cross of Anglian Type now preserved in Abercorn Church, West Lothian. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 72, p. 217–223, 1938. DOI: 10.9750/PSAS.072.217.223. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8072. Acesso em: 26 apr. 2024.