On Laburn’s ‘mystery’ query – A prehistory of the Vaal River as water source of the Witwatersrand (1887-99) . Historia, [S. l.], v. 45, n. 1, 2021. Disponível em: https://upjournals.up.ac.za/index.php/historia/article/view/1996.. Acesso em: 5 dec. 2024.