Davidson, Ralph Howard. <br/><br/>
Insect pests of farm, garden, and orchard / 
Ralph H. Davidson, William F. Lyon. 
 - 7th ed. 
 - New York :  Wiley,  c1979. 
<br/><br/> Fourth-6th ed. by L. M. Peairs and R. H. Davidson. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0471035386 
<br/><br/><label>LCCN: </label>78031366 //r862 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insect pests.<br/>Insect pests -- North America.--Insect pests -- North America.<br/>Insect pests -- Control.--Insect pests -- Control.
<br/><br/><label>LC Class. No.: </label>SB931  / .P34 1979 
<br/><br/><label>Dewey Class. No.: </label>632/.7/097