Kostkiewicz, J. (2020). Child and Family as Proletarians of the Educational Ideology of Bolshevik Marxism in the Critical Reflection of Polish Humanists from the Period 1917–1939. Polska Myśl Pedagogiczna, 2020, 17-38. doi: https://doi.org/10.4467/24504564PMP.20.002.12236