Cohen, Sanford <br/><br/>
Labor in the United States  / 
Sanford Cohen 
 - 4th ed. 
 - Columbus :   Charles E. Merrill Publishing ,   c1979. 
 - xiii, 481 p. :   ill. ;   26 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>067508299X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Labor-- United States
<br/><br/><label>Dewey Class. No.: </label>331.0973