SENN, E. Der Hohenzollerische Geschichtsverein 1935-1936. Zollerheimat, [S. l.], v. 6, n. 4, p. 25–27, 1937. DOI: 10.53458/zh.v6i4.10719. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/10719. Acesso em: 20 mai. 2024.