FORBES, Alexander P. Account of a Manuscript of the Eleventh Century by Marianus of Ratisbone. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 6, p. 33–48, 1866. DOI: 10.9750/PSAS.006.33.48. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/5167. Acesso em: 29 apr. 2024.