CHENCHENKO, Alexander. Review of FRIEDRICH JULIUS BIEBER, Reisen nach Äthiopien, Tagebücher 1904, 1905, 1909 ed. SAYURI YOSHIDA. Aethiopica, [S. l.], v. 27, p. 327–330, 2024. DOI: 10.15460/aethiopica.27.2153. Disponível em: https://journals.sub.uni-hamburg.de/aethiopica/article/view/2153. Acesso em: 5 dec. 2025.