Muś A. „Free Region of Silesia”? Thoughts about an Origin of a Search for New Solutions for Upper Silesia after the Great War. Bord. Reg. Stud. [Internet]. 2016 Jul. 10 [cited 2024 Nov. 22];4(1):43-59. Available from: https://czasopisma.uni.opole.pl/index.php/p/article/view/478