BLACK, George. Notice of a Fragment of a Rune-Inscribed Cross-Slab, found on Inchmarnock, Buteshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 24, p. 438–443, 1890. DOI: 10.9750/PSAS.024.438.443. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6370. Acesso em: 2 may. 2024.