Insects :  the year book of agriculrure / 
United States Department of Agriculture. 
 - Washington, D. C. :  the Department,  1952. 
 - xviii, 780 p. : [65] leaf of plates ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects.
<br/><br/><label>LC Class. No.: </label>SF459.I5  / .U55 1952