The passage to Cosmos : Alexander von Humboldt and the shaping of America /
Walls, Laura Dassow.
Chicago, [Ill.] ; London : University of Chicago Press,
2009.
Includes bibliographical references and index.
Humboldt, Alexander von, 1769-1859
Humboldt, Alexander von, 1769-1859.
Humboldt, Alexander von, 1769-1859
Science