Lipelt, Robert. “Workers’ Strikes and Demonstrations in Sanok from 1919 to 1933”. Studia z Historii Społeczno-Gospodarczej XIX i XX Wieku 27 (December 30, 2024): 61–83. Accessed December 6, 2025. https://www.czasopisma.uni.lodz.pl/histspol/article/view/25718.