SCHWARZMAIER, H. Briefe des „Winterkönigs" in Karlsruhe. Archivnachrichten, [S. l.], n. 4, p. 6, 1992. DOI: 10.53458/an.vi4.4777. Disponível em: https://journals.wlb-stuttgart.de/index.php/an/article/view/4777. Acesso em: 18 dez. 2024.