Albert Grundlingh, The Dynamics of Treason: Boer Collaboration in the South African War of 1899-1902 Protea Book House, Pretoria, 2006: Shifty Burghers ñ Hensoppers and Joiners in the Orange Free State and the Transvaal. HASA [Internet]. 2021 Jun. 14 [cited 2025 Mar. 15];52(2). Available from: http://jsaa.ac.za/index.php/historia/article/view/1208