KNÜPPEL, Michael. Zwei unbekannte Traktate Hiob Ludolfs. Aethiopica, [S. l.], v. 16, n. 1, p. 196–199, 2013. DOI: 10.15460/aethiopica.16.1.710. Disponível em: https://journals.sub.uni-hamburg.de/aethiopica/article/view/710. Acesso em: 8 apr. 2025.