Shepard, Harold H.  1898- <br/><br/>
The chemistry and action of insecticides / 
Harold H. Shepard 
 - New York :  McGraw-Hill,  1951 
 - vii, 504 p. :  ill., port. ;  24 cm. 
<br/><br/> "Outgrowth of a mimeographed edition [by the author] published in 1939 under the title The chemistry and toxicology of insecticides" 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 11.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticides
<br/><br/><label>Dewey Class. No.: </label>543.5