Helfgott, Roy B. <br/><br/>
Labor economics 
Roy B. Helfgott. 
 - 2d ed. 
 - New York  Random House  c1980. 
 - xiv, 674 p.  graphs. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0394323254  18.95 
<br/><br/><label>LCCN: </label>80018342 //r93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labor--United States.<br/>Labor economics<br/>Industrial relations--United States.
<br/><br/><label>LC Class. No.: </label>HD8072  / .H35 1980 
<br/><br/><label>Dewey Class. No.: </label>331/.0973