H.W. Claassens, Die geskiedenis van Boerekos 1652-1806: ʼn Fees vir vrate Èn peuselaars. Historia, [S. l.], v. 52, n. 2, 2021. Disponível em: http://www.jsaa.ac.za/index.php/historia/article/view/1216. Acesso em: 7 nov. 2025.