Otto Langey <br/><br/>
Practical Tutor (Slide Trombone) bass clef :  Otto Langey 

 - London  Boosey & Hawkes Music Publishers Limited 
 - 115 page  30cm 
<br/><br/><label>ISBN: </label>9790060036064 
<br/><br/><label>Dewey Class. No.: </label>787.993 LAN