Langley, Stephen <br/><br/>
Theatre management in America :  principle and practice / 
Stephen Langley. 
 - 2nd ed., rev. 
 - New York :  Drama Book Specialists (Publishers),  [c1980] 
 - xv, 490 p. 
<br/><br/> Includes appendices, bibliography and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Theatre management--United States.