BOĆKOWSKI, D. Janusz Korczak, Aleksander Lewin and the Polish orphanage in Monetna in the Urals. Studia z Dziejów Rosji i Europy Środkowo-Wschodniej, [S. l.], v. 52, n. 3, p. 127–136, 2017. DOI: 10.12775/SDR.2017.EN3.05. Disponível em: https://apcz.umk.pl/SDR/article/view/SDR.2017.EN3.05. Acesso em: 23 kwi. 2024.