ZAPATA, Francisco. Manuel Caballero. Latin American and the COMINTERN : 1919-1934. Cambridge, Mass : University Press, 1986. Foro Internacional, México, Ciudad de México, v. 28, n. 4, p. 834–837, 1988. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/1149. Acesso em: 10 may. 2025.