Porges, Heinrich <br/><br/>
Wagner Rehearsing The 'Ring'  / 
Heinrich Porges , 
 - 1st edition 
 -  Cambridge ,  2009 
 - 160 
<br/><br/><label>ISBN: </label>9780521107181 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Music
<br/><br/><label>Dewey Class. No.: </label>782.1092  / POR