Jurek, Tomasz, and Agnieszka Połaniecka. “Physical Education and Sports in Polish Education in Germany in the Years 1918–1939”. Sport and Tourism Central European Journal 6, no. 4 (December 16, 2023): 35–51. Accessed November 21, 2024. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/1963.