KING, William Ross. Notes on various Stone Relics found in Aberdeenshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 7, p. 101–102, 1867. DOI: 10.9750/PSAS.007.101.102. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5314. Acesso em: 4 may. 2024.