SALABA, M. Künstler-Postkarten. Archivnachrichten, [S. l.], n. 2, p. 3, 1991. DOI: 10.53458/an.vi2.4812. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/an/article/view/4812. Acesso em: 8 mai. 2024.