... Fluctuations in the Supplies of Gold” (1838) Humboldt presents a global history of the flow of precious metals “Essay on the Fluctuations in the Supplies of Gold” (1838) Humboldt presents a global history of the flow Ulrich Päßler A Political Economy of Nature. Alexander von Humboldt’s Essay on the Fluctuations kommerziell 4.0 International Lizenz. Ulrich Päßler A Political Economy of Nature. Alexander von Humboldt’s ..."