Cohen, Sanford <br/><br/>
Labor in the United States / 
By Cohen, Sanford. 
 - 2nd ed. 
 - Columbus, Ohio :  Merrill,  1966. 
 - XV, 640 p. ;  24 cm. 
<br/><br/>Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour. Employment. Work. Labour economics. Organization of labour--United States