CHARLES-EDWARDS, Gifford. A reconsideration of the origins of early Insular monumental lettering of the mixed alphabet type: the case of the ’Lapis Echodi’ inscription on Iona. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 134, p. 173–181, 2005. DOI: 10.9750/PSAS.134.173.181. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9604. Acesso em: 20 apr. 2024.