Rudnicki, Zbigniew. “A Spiritual Portrait of Korczak. The Coy Way of Outline Based on Ghetto Diary”. Paedagogia Christiana 48, no. 2 (December 9, 2021): 75–90. Accessed February 12, 2025. https://apcz.umk.pl/PCh/article/view/36276.