GRAJALES RAMOS, G. La Alianza Tripartita en el "Public Record Office" de Londres. Historia Mexicana, [S. l.], v. 11, n. 4, p. 633–646, 1962. Disponível em: https://historiamexicana.colmex.mx/index.php/RHM/article/view/938. Acesso em: 27 abr. 2024.