[3987] The travels and researches of Alexander von Humboldt: being a condensed narrative of his journeys in the equinoctial regions of America and in Asiatic Russia: together with analyses of his more important investigations by W. MacGillivray; with a map of the Orinoco and engravings.
New York : Harper, 1839.
15 cm. 368 pp. Hojas de láminas con ilustraciones y mapa. Se agrega portada grabada.