The art of engraving in Spain. Letras, Lima, Peru, v. 18, n. 48, p. 22–34, 1952. DOI: 10.30920/letras.18.48.2. Disponível em: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/1315. Acesso em: 13 sep. 2026.