The 3rd Assembly of the Panamerican Institute of History and Geography. Letras, Lima, Peru, v. 7, n. 18, p. 91–99, 1941. DOI: 10.30920/letras.7.18.4. Disponível em: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/920. Acesso em: 13 sep. 2026.