Peña Gil, Pilar. “The Witch, the Ogress, and the Temptress: Defi Ning Grendel’s Mother in Beowulf and Film Adaptations”. SELIM. Journal of the Spanish Society for Medieval English Language and Literature. 18 (February 12, 2019): 49–75. Accessed May 6, 2024. https://reunido.uniovi.es/index.php/SELIM/article/view/13351.