SCHUBERT, R. Dienstsiegel. Archivnachrichten, [S. l.], n. 7, p. 2, 1993. DOI: 10.53458/an.vi7.4702. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/an/article/view/4702. Acesso em: 17 mai. 2024.