THOMSON, Andrew. Notes on Recumbent Monumental Slabs incised with a peculiar form of Cross at Coldingham and elsewhere in Scotland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 45, p. 302–308, 1911. DOI: 10.9750/PSAS.045.302.308. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7219. Acesso em: 2 may. 2024.