Humboldt, Alexander von, 1769-1859,
Escritos: editados por primera vez. - 1a edición digital. - 1 online resource : illustrations.
Includes bibliographical references.
9786077727880
Humboldt, Alexander von, 1769-1859.
Discoveries in geography.
Discoveries in science.
Germany--Civilization--18th century.
Germany--Civilization--19th century.
Escritos: editados por primera vez. - 1a edición digital. - 1 online resource : illustrations.
Includes bibliographical references.
9786077727880
Humboldt, Alexander von, 1769-1859.
Discoveries in geography.
Discoveries in science.
Germany--Civilization--18th century.
Germany--Civilization--19th century.