ANDERSON, R S G. Two Celtic Crosses from The Machars, Wigtownshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 57, p. 17–19, 1923. DOI: 10.9750/PSAS.057.17.19. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/7565. Acesso em: 3 may. 2024.