Darska, Bernadetta. “Galician Province in View of Demonic Evil in "Złoty Wilk" ("Gold wolf") and "Czarne złoto" (‘Black gold’)”. Acta Universitatis Lodziensis. Folia Litteraria Polonica, vol. 50, no. 4, May 2019, pp. 195-08, doi:10.18778/1505-9057.50.11.