KERR, Andrew. Description of the Ecclesiastical Remains existing upon St Serf’s Island, Lochleven, at 6th July 1881. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 16, p. 159–168, 1882. DOI: 10.9750/PSAS.016.159.168. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6008. Acesso em: 24 apr. 2024.