Insects  : the Yearbook of Agriculture 

 - Washington, D.C.  : U.S. Govt. Print. Off.  , 1952. 
 - 750 p.  : il. 
 - Yearbook of agriculture .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--- Injurious and Beneficial
<br/><br/><label>Dewey Class. No.: </label>632.9 UNI