Päßler U. A Political Economy of Nature: Alexander von Humboldt’s Essay on the Fluctuations in the Supplies of Gold. Humboldt im Netz [Internet]. 21 aprile 2017 [citato 12 maggio 2026];18(34):81-9. Disponibile su: https://www.hin-online.de/index.php/hin/article/view/252