ALLEN, John Romilly. Notices of Two Scandinavian Powder-Horns, presented to the Museum. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 22, p. 157–163, 1888. DOI: 10.9750/PSAS.022.157.163. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/6294. Acesso em: 7 may. 2024.