RACZYŃSKA, Sabina. Ryszard Berwiński’s Studia o literaturze ludowej and Historiographical Concepts of the Early Slavic World in the Nineteenth Century. Literatura Ludowa. Journal of Folklore and Popular Culture. Online. 13 June 2020. Vol. 64, no. 1, pp. 17-28. [Accessed 21 December 2025]. DOI 10.12775/LL.1.2020.002.