LEITCH, Roger. ’Here chapman billies tak their stand’: a pilot study of Scottish chapmen, packmen and pedlars. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 120, p. 173–188, 1991. DOI: 10.9750/PSAS.120.173.188. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9388. Acesso em: 26 apr. 2024.