TREFFEISEN, J. Schadenskartei im Staatsarchiv Sigmaringen. Archivnachrichten, [S. l.], n. 10, p. 6, 1995. DOI: 10.53458/an.vi10.4672. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/an/article/view/4672. Acesso em: 7 mai. 2024.