Concept and interpretation of American history, methodology of its composition and value of historical sources. Letras, Lima, Peru, v. 3, n. 7, p. 187–198, 1937. DOI: 10.30920/letras.3.7.1. Disponível em: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/1006. Acesso em: 13 sep. 2026.