COOMBS, J.; READ, M. Valaquanta: Of the Energy of the Valar. Mallorn: The Journal of the Tolkien Society, [S. l.], n. 28, p. 29–35, 1991. Disponível em: https://journals.tolkiensociety.org/mallorn/article/view/207. Acesso em: 29 mar. 2023.