«The Franciscans in Cathay: Memory of Men and Places. A Contribution for the Genealogy of Geographical Knowledge of Alexander Von Humboldt». HiN – Alejandro de Humboldt en la Red. Revista internacional de estudios humboldtianos 16, no. 30 (mayo 25, 2015): 13–28. Accedido marzo 27, 2026. https://www.hin-online.de/index.php/hin/article/view/212.