KRAUS, J. A. Die Fronbriefe der zollerischen Gemeinden, 1592-93. Zollerheimat, [S. l.], v. 7, n. 11, p. 81–83, 1938. DOI: 10.53458/zh.v7i11.11963. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/11963. Acesso em: 3 juli. 2024.