Кравченко, Светлана. “Problem Polish-Ukrainian Relations on the Geopolitical Conceptions of Polish Prometheizm, Which Presented on the Newspaper Pages in 30th Years XX Century”. Studia z Historii Społeczno-Gospodarczej XIX i XX Wieku 9 (January 1, 2011): 343–362. Accessed May 20, 2024. https://www.czasopisma.uni.lodz.pl/histspol/article/view/21774.