Thunecke, Jörg. “‘Poetry, in a Mysterious Way, Can Simultaneously Impart Deepest Impotence and Ultimate power’. Rudolf Hagelstange‘s Cycle of Sonnets Venezianisches Credo (1945)”. Acta Universitatis Lodziensis. Folia Germanica, no. 11 (January 1, 2015): 179–192. Accessed January 14, 2026. https://www.czasopisma.uni.lodz.pl/germanica/article/view/27653.