TREFZ, B. Neue Erkenntnisse zum Bau des Backnanger Turmschulhauses. Backnanger Jahrbuch, [S. l.], v. 10, p. 91–96, 2002. DOI: 10.53458/bjb.v10i.9105. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9105. Acesso em: 23 juli. 2024.