BARRON, Paul Harry. Tolkien: Esperanto, Sindarin and Welsh. Investigationes Linguisticae, [S. l.], v. 46, p. 22–33, 2022. DOI: 10.14746/il.2022.46.3. Disponível em: https://pressto.amu.edu.pl/index.php/il/article/view/38450. Acesso em: 11 maj. 2024.