SOWA, Janusz. Sport in the State Police of the Silesian Voivodeship in the years 1922–1939. Sport and Tourism Central European Journal, [S. l.], v. 4, n. 4, p. 21–45, 2022. DOI: 10.16926/sit.2021.04.24. Disponível em: https://czasopisma.ujd.edu.pl/index.php/sport/article/view/1445. Acesso em: 25 apr. 2024.