Ward, Emma F. <br/><br/>
Phosphorus necrosis in the manufacture of fireworks and in the preparation of phosphorus, 
by Emma F. Ward ... May, 1926. 
 - Washington,  Govt. Print. Off.,  1926. 
 - iii, 44 p.  plates.  23 cm. 
 - Bulletin of the United States Bureau of Labor Statistics,  Industrial accidents and hygiene series  no. 405 .
 - United States.  Bureau of Labor Statistics.  Industrial accidents and hygiene series.  Bulletin. .
<br/><br/> At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. Ethel Stewart, commissioner.  Also issued also as House doc. 99, 69th Cong., 1st sess. 
<br/><br/><label>LCCN: </label>l  26000152  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phosphorus--Toxicology.<br/>Jaws--Necrosis.<br/>Fireworks.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A5 no. 405