United States Department of labor;  twenty-five years of service, 1913-1938. 

 - [Washington,  U.S. Govt. print. off.,  1938] 
 - iii, 71 p.  illus., pl.  23 cm. 
<br/><br/><label>LCCN: </label>l  38000023  
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Department of Labor. 
<br/><br/><label>LC Class. No.: </label>HD8051  / .A35 1938 
<br/><br/><label>Gov. Doc. Class. No.: </label>L 1.2:L 11