Mogill, Leonard <br/><br/>
Advanced scales and double stops [Música impresa]  : for viola  
/ by Leonard Mogill 
 - New York  : G. Schirmer  , cop. 1970 
 - 32 p.  ; 31 cm 
<br/><br/> Per a viola 
<br/><br/><label>Publisher. No.: </label> 2798 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Viola<br/>Estudis i exercicis<br/>Partitures
<br/><br/><label>Universal Decimal Class. No.: </label>CONS va Mog /1