JOHNSTON, Christopher N. Notice of Crosses found at St Ninian’s Cave, Glasserton, Wigtownshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 17, p. 317–322, 1883. DOI: 10.9750/PSAS.017.317.322. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6065. Acesso em: 11 may. 2024.