MEYER, M. C. Villa, Sommerfeld, Columbus y los alemanes. Historia Mexicana, [S. l.], v. 28, n. 4, p. 546–567, 1979. Disponível em: https://historiamexicana.colmex.mx/index.php/RHM/article/view/2710. Acesso em: 2 may. 2024.