Langen, Susanne K. <br/><br/>
Problems of Art 
Susanne K. Langen 
 - London  Routledge and Kegan Paul  1957 
 - 184p.  23 cm.  
<br/><br/><label>ISBN: </label> 14.40 
<br/><br/><label>Dewey Class. No.: </label>709.54   / LAN-PR