STEED, R. The Harrowing of Hell Motif in Tolkien’s Legendarium. Mallorn: The Journal of the Tolkien Society, [S. l.], n. 58, p. 6–9, 2017. Disponível em: https://journals.tolkiensociety.org/mallorn/article/view/26. Acesso em: 20 aug. 2022.