Otto Langey <br/><br/>
Practical Tutor (Bass Clef) :  Otto Langey 

 - London  Boosey & Hawkes Music Publishers Limited 
 - 108 page  30cm 
<br/><br/><label>ISBN: </label>9790060035968 
<br/><br/><label>Dewey Class. No.: </label>787.5 LAN