Die Vyfde Jaarvergadering van die Historiese Genootskap van Suid·Afrika Gehou op Heidelberg~ Transvaal~ 16 en 17 September 1960 . Historia, [S. l.], v. 5, n. 4, 2021. Disponível em: https://upjournals.up.ac.za/index.php/historia/article/view/3021.. Acesso em: 28 feb. 2025.