MALDONADO-KOERDELL, Manuel. Naturalistas extranjeros en México. Historia Mexicana, [S. l.], v. 2, n. 1, p. 98–109, 1952. Disponível em: https://historiamexicana.colmex.mx/index.php/RHM/article/view/483. Acesso em: 6 jun. 2025.