Humboldt, Alexander, Freiherr von,    1769-1859 <br/><br/>
Alexander von Humboldt 1769/1969.   

 - Bonn :   Inter Nations ,   1969 
 - 169 p. :    illus., ports., facsim. ;    24 cm. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humboldt, Alexander, Freiherr von,   1769-1859 --------
<br/><br/><label>Dewey Class. No.: </label>509.2 HUM