The joy of ragtime :  [a graded collection of classic piano rags] / 
selected and edited by Denes Agay. 
 - New York :  Yorktown Music Press,  [1974] 
 - 80 p. ;  31 cm. 
<br/><br/><label>ISBN: </label>0825680166 
<br/><br/><label>LCCN: </label>74083440  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Piano music (Ragtime)