Arnavat, Albert, Carlos Teixidor, and Ángela Posso. “Las Primeras Tarjetas Postales De Ibarra, Ecuador: 1906-1914”. Revista Ecos de la Academia 3, no. 05 (June 13, 2019): 40–59. Accessed August 13, 2026. https://revistasojs.utn.edu.ec/index.php/ecosacademia/article/view/102.