McElroy, Frank S. <br/><br/>
Injuries and accident causes in the manufacture of clay construction products 
[by Frank S. McElroy and George R. McCormack] 
 - Washington, D.C.,  U.S. Govt. Print. Off.  [1951] 
 - iv, 49 p.  diagrs., tables.  26 cm. 
 - United States. Bureau of Labor Statistics. Bulletin,  no. 1023 .
 - Bulletin of the United States Bureau of Labor Statistics ;  1023. .
<br/><br/><label>LCCN: </label>l  51000155  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay industries--Accidents.<br/>Clay industries--Safety measures.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 1023 
<br/><br/><label>Dewey Class. No.: </label>331.823