“The History of Sport in Kalisz in 1918–1939. Outline of Issues”. Sport i Turystyka Środkowoeuropejskie Czasopismo Naukowe 6, no. 4 (December 16, 2023): 53–72. Accessed September 20, 2026. https://czasopisma.ujd.edu.pl/index.php/sport/article/view/1964.