Müller, Retief. “AFRIKANER REFORMED MISSIONARY ENTHUSIASTS AND THE VOORTREKKERS: WITH SPECIAL REFERENCE TO DINGAANSDAG GELOFTEDAG AND ALSO THE 1938 EEUFEES”. Studia Historiae Ecclesiasticae 41, no. 3 (May 12, 2016): 111–130. Accessed October 24, 2025. https://unisapressjournals.co.za/index.php/SHE/article/view/445.