F. Eisner Sagüés, “Josephus Gil y José Bernardo Dos maestros mulatos peruanos en Chile / Josephus Gil and José Bernardo Two Peruvian mulatto teachers in Chile”, EstuDAv, no. 24, pp. 90–109, Dec. 2015, Accessed: Jan. 16, 2025. [Online]. Available: https://www.revistas.usach.cl/ojs/index.php/ideas/article/view/2275