Alexander von Humboldt ; 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 Altamirano Rayo, Tobias Kraft, and Vera M. KutzinskiUniversity of Chicago Press2019
Alexander von Humboldt ; 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 D. Altamirano Rayo, Tobias Kraft, and Vera M. KutzinskiUniversity of Chicago Press2019