The travels of Baron von Humboldt and Alexander Bonpland. Travels in South America, in the years 1799, 1800, 1801, 1802, 1803, and 1804 /
Humboldt, Alexander von,1769-1859.
Bonpland, Aimé,1773-1858.
London,
1806.
Joint authors: Baron Friedrich Wilhelm Heinrich Alexander von Humboldt and Aimé Jacques Alexandre Goujaud Bonpland.