Ursula Tr¸per, The Invisible Woman: Zara Schmelen, African Mission Assistant at the Cape and in Namaland : Unacknowledged Mission Heroes. Historia, [S. l.], v. 52, n. 2, 2021. Disponível em: https://upjournals.up.ac.za/index.php/historia/article/view/1214. Acesso em: 16 aug. 2026.