HARNISCHFEGER, Johannes. Documents relating to Prophetess Ngozika Ogbu in Igboland. AAeO - Afrikanistik-Aegyptologie-Online, [S. l.], 2014. DOI: 10.18716/ojs/aaeo/2014_3402. Disponível em: https://journals.ub.uni-koeln.de/index.php/AAeo/article/view/3402. Acesso em: 21 jun. 2025.