Nurnberger, K. “Ancestors and Spirits in the Light of Luther’s Theology”. Nederduitse Gereformeerde Teologiese Tydskrif 48, no. 1&2 (June 30, 2007). Accessed August 2, 2026. https://ojs.reformedjournals.co.za/index.php/ngtt/article/view/346.