Engel-Hardt, Rudolf   <br/><br/>
Wunder der Natur / 
Bilder und Text: Rudolf Engel-Hardt. 
 - Leipzig :     Rudolf Arnold Verlag,  [1957]. 
 - 28 pages :  col. ill. ;  20 x 26 cm. 
 - 83-93 (NLA) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's literature, German
<br/><br/><label>Universal Decimal Class. No.: </label>83-93 (NLA)