FRICK, A. Zur hohenzollerischen Familienforschung. Zollerheimat, [S. l.], v. 3, n. 9, p. 45–47, 1934. DOI: 10.53458/zh.v3i9.8979. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/8979. Acesso em: 15 mai. 2024.