Fransjohan Pretorius,De la Rey. Die leeu van Wes-TransvaalProtea Boekhuis, Pretoria, 2007: Die leeu van Wes-Transvaal. Historia, [S. l.], v. 52, n. 2, 2021. Disponível em: http://jsaa.ac.za/index.php/historia/article/view/1210.. Acesso em: 15 mar. 2025.