Davidson, Ralph Howard. <br/><br/>
Insect pests of farm, garden, and orchard /    
Ralph H. Davidson, Wi lliam F. Lyon. 
 - 7th ed. 
 - New York :   Wiley,   c1979. 
 - xii, 596 p. :    ill. ;    24 cm. 
<br/><br/>  Fourth-6th ed. by L. M. Peairs and R. H. Davidson. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471035386 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insect pests.--Control.--North America.----<br/>Insect pests --Control.--North America.----<br/>Insect pests --Control.--North America.----
<br/><br/><label>Dewey Class. No.: </label>632.7