Humboldt / From ‘The Gods and Other Lectures’ Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 ? Volume 1 Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 ? Volume 2 The Philosophic Grammar of American Languages, as Set Forth by Wilhelm von Humboldt / With the Translation of an Unpublished Memoir by Him on the American Verb
