ZEHENDER, R. Die Ernst-Riecker-Stiftung: 1. Teil. Backnanger Jahrbuch, [S. l.], v. 6, p. 27–40, 1998. DOI: 10.53458/bjb.v6i.8934. Disponível em: https://journals.wlb-stuttgart.de/index.php/bjb/article/view/8934. Acesso em: 18 dez. 2024.