LIEBAU, G. J. Tolkien’s Arthurian Twilight: Ancient Influences in The Fall of Arthur. Mallorn: The Journal of the Tolkien Society, [S. l.], n. 55, p. 29–31, 2014. Disponível em: https://journals.tolkiensociety.org/mallorn/article/view/53. Acesso em: 6 oct. 2022.