About the history: por Daniel Valcárcel. Lima, Edit. Lumen, 1949. 38 pp. 20x14 cms. Letras [Internet]. 1949 Nov. 23 [cited 2026 Sep. 12];15(43):293-6. Available from: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/1109