MIJN PRESIDENT. HERINNERINGEN VAN DR. W. J. LEYDS AAN PRESIDENT S. J. P. KRUGER. Historia, [S. l.], v. 13, n. 3, 2021. Disponível em: https://upjournals.up.ac.za/index.php/historia/article/view/3051.. Acesso em: 31 jan. 2025.