BAUR, W. Hohenzollerische Siegel und Wappen: Trochtelfingen. Zollerheimat, [S. l.], v. 4, n. 5, p. 17–18, 1935. DOI: 10.53458/zh.v4i5.9450. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/zh/article/view/9450. Acesso em: 16 mai. 2024.