Kowalski, Andrzej Piotr. “The Nomenclature and Symbolism of Old Germanic Ornaments”. Acta Universitatis Lodziensis. Folia Germanica, no. 13 (December 30, 2017): 149–166. Accessed February 9, 2026. https://czasopisma.uni.lodz.pl/germanica/article/view/3560.