Crag, D. <br/><br/>
On singing onstage 
D. Crag 
 - New York  Schirmer books  1978 
 - x, 252p.;   Hbk. 
<br/><br/><label>ISBN: </label>00287075106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Singing-Instruction and study<br/>Musical revenue comedy