Knoll, Joachim H. <br/><br/>
Wilhelm von Humboldt 
Joachim H. Knoll, Horst Siebert 
 - s.l. :  Inter Nationes,  1967 
 - 56 p. :  il. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>HUMBOLDT, WHILHELM VON
<br/><br/><label>Dewey Class. No.: </label>923  / H920