Wolff, George,  1886- <br/><br/>
Childhood mortality from accidents by age, race, and sex and by type of accident. 

 - [Washington]  U.S. Dept. of labor, Children's bureau  [1945] 
 - 1 p. l., 25 p.  ill. 
 - United States. Children's Bureau. Publication  no. 311 .
 - Bureau publication (United States. Children's Bureau) ;  no. 311. .
<br/><br/> "Prepared by George Wolff, M. D." - Verso of preliminary leaf. 
<br/><br/>"Source material and references": p. 24-25. 
<br/><br/><label>LCCN: </label>l  46000003  
<br/><br/><label>LC Class. No.: </label>HB1323.A2  / W6 
<br/><br/><label>National Library of Medicine Call No.: </label>W1  / UN6181 no.311 1945