The Illustrated encyclopedia of opera / 
ed. by Stanley Sadie. 
 - London :  Flame Tree Pub.,  2004. 
 - 320 p. :  illus. , col ;  29 cm. 
<br/><br/><label>ISBN: </label>1844510263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias--Opera.