Alexander von Humboldt. Political Essay on the Kingdom of New Spain. A Critical Edition. Edited with an introduction by Vera M. Kutzinski and Ottmar Ette. Translated by J. Ryan Poynter, Kenneth Berri, and Vera M. Kutzinski. With annotations by Giorleny Al

Daum, Andreas W. «Alexander von Humboldt. Political Essay on the Kingdom of New Spain. A Critical Edition. Edited with an introduction by Vera M. Kutzinski and Ottmar Ette. Translated by J. Ryan Poynter, Kenneth Berri, and Vera M. Kutzinski. With annotations by Giorleny Al». Dynamis: Acta Hispanica ad Medicinae Scientiarumque Historiam Illustrandam, 2020, vol.VOL 40, núm. 2, p. 530-3, http://raco.cat/index.php/Dynamis/article/view/393259.