Kobus du Pisani, Dan Kriek and Chris de Jager (eds), Jan Smuts: Van Boerseun tot Wêreldverhoog. Historia, [S. l.], v. 62, n. 2, 2021. Disponível em: http://jsaa.ac.za/index.php/historia/article/view/731.. Acesso em: 16 mar. 2025.