Marciniec, Dariusz. 2016. “Characteristics of the Problems of Culture in the Thirties on the Basis of Journalism from „Pion” (1933–1939)”. Acta Universitatis Lodziensis. Folia Historica, no. 96 (June):191-212. https://doi.org/10.18778/0208-6050.96.13.