Nygaard, Simon. “Sacral Rulers in Pre-Christian Scandinavia: The Possibilities of Typological Comparisons Within the Paradigm of Cultural Evolution”. Temenos - Nordic Journal of Comparative Religion 52, no. 1 (June 1, 2016): 9–35. Accessed October 18, 2021. https://journal.fi/temenos/article/view/49454.