Earnings and hours in the hat industries, 1939; 
prepared by the Division of Wage and Hour Statistics, B.L.S., J. Pearlman, chief. 
 - Washington,  U.S. Govt. Print. Off.,  1939. 
 - vii, 44 p.  24 cm. 
 - Bulletin  no. 671 .
<br/><br/> At head of title: United States Department of Labor. Frances Perkins, secretary. Bureau of Labor Statistics. Isador Lubin, commissoner. 
<br/><br/><label>LCCN: </label>l  40000031  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hat trade--United States.<br/>Wages--United States.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 671 
<br/><br/><label>Dewey Class. No.: </label>331.06173 s