SENN, E. Der Hohenzollerische Geschichtsverein 1933-1934. Zollerheimat, [S. l.], v. 4, n. 2, p. 5–6, 1935. DOI: 10.53458/zh.v4i2.9333. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/9333. Acesso em: 3 juli. 2024.