Early Scottish Spoons. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 69, p. 138–157, 1935. DOI: 10.9750/PSAS.069.138.157. Disponível em: https://soas-test.journals.ed.ac.uk/index.php/psas/article/view/7937. Acesso em: 26 oct. 2025.