MANRIQUE, Jorge Alberto. Sobre Marianne O. de Bopp, Maximiliano y los alemanes. Historia Mexicana, [S. l.], v. 17, n. 1, p. 165–167, 1967. Disponível em: https://historiamexicana.colmex.mx/index.php/RHM/article/view/1114. Acesso em: 20 abr. 2025.