Hasen,Peter. <br/><br/>
An introduction to twentieth cetury music. 

 - ed. 
 - Boston :  Allyn and becon,  1961. 
 - 376  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>music.