Wium Olesen, Niels. “Nathaniel Hong: Sparks of Resistance. The Illegal Press in German Occupied Denmark April 1940 - August 1943. (Odense Universitetsforlag, 1996). XI + 308 S”. Historie Jyske Samling, no. 1 (January 1, 1998): 176. Accessed December 6, 2025. https://tidsskrift.dk/historiejyskesamling/article/view/37821.