K. Ringingen und St. Gallen. Zollerheimat, [S. l.], v. 10, n. 1, p. 1–3, 1941. DOI: 10.53458/zh.v10i1.3502. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/3502. Acesso em: 22 juli. 2024.