Jacobus Bernardus de Vaal as Suid-Afrikaanse historikus (1914-1989). Historia, [S. l.], v. 39, n. 1, 2021. DOI: 10.17159/hasa.v39i1.1570. Disponível em: http://www.jsaa.ac.za/index.php/historia/article/view/1570. Acesso em: 7 nov. 2025.