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

 - Washington,  For sale by the Superintendent of Documents, U.S. Govt. Print. Off.,  1963] 
 - iii, 72 p.  illus.  26 cm. 
<br/><br/> Errata leaf inserted. 
<br/><br/><label>LCCN: </label>l  63000039  
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Department of Labor. 
<br/><br/><label>LC Class. No.: </label>HD4835.U4  / A5 1963a