PFAFF, B. Das Gammertinger Stadtwappen. Zollerheimat, [S. l.], v. 1, n. 8, p. 46–47, 1932. DOI: 10.53458/zh.v1i8.8659. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/8659. Acesso em: 18 mai. 2024.