Insects :   the yearbook of agriculture,1952 / 
United States, Department of Agriculture. 
 - Washington, D.C. :  United States, Department of Agriculture.  c1956. 
 - xviii, 780 p., various pages :  ill.(col.) ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographic references. 
<br/><br/><label>Dewey Class. No.: </label>595.7  / AGR