HAŁUSZKA, Mariusz. Puer Existens: Subverting the Puer Aeternus Figure in the Comic Strip as Exemplified with Bill Watterson’s Calvin and Hobbes. Literatura Ludowa. Journal of Folklore and Popular Culture. Online. 26 May 2019. Vol. 63, no. 1, pp. 24-31. [Accessed 27 July 2024]. DOI 10.12775/LL.1.2019.002.