SENN, E. Der Hohenzollerische Geschichtsverein 1937-1938. Zollerheimat, [S. l.], v. 8, n. 1, p. 1–4, 1939. DOI: 10.53458/zh.v8i1.12033. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/12033. Acesso em: 23 juli. 2024.