STAEDTKE, Joachim. Nachtrag zur Bibliographie Oskar Farner. Zwingliana, [S. l.], v. 12, n. 4, p. 296–299, 2010. Disponível em: https://zwingliana.ch/index.php/zwa/article/view/1094. Acesso em: 22 juli. 2024.