Hours and earnings in anthracite and bituminous coal mining, 1922 and 1924 ...  September, 1926. 

 - Washington,  Govt. print. off.,  1926. 
 - iv, 92 p.  incl. tables.  23 cm. 
 - Bulletin of the United States Bureau of labor statistics,  no. 416. Wages and hours of labor series .
<br/><br/> At head of title:  U.S. Department of labor.  James J. Davis, secretary.  Bureau of labor statistics.  Ethelbert Stewart, commissioner.  Issued also as House doc. 269, 69th Cong., 1st sess. 
<br/><br/><label>LCCN: </label>l  26000236  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hours of labor--United States.<br/>Wages--United States.<br/>Coal miners--United States.<br/>Coal mines and mining--United States.<br/>Wages--Coal miners.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 416