Challenge and change :   a brief history of the U.S. Department of Labor, 1913-1963 / 

 - Washington :      USDL ,  1963 
 - 72p. ;  30 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Labour
<br/><br/><label>Dewey Class. No.: </label>331.973  / US