Insects: Yearbook of agriculture / 
s.n. 
 -  United States Department Of Agriculture, Washington,  1952 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects (Entomology); Invertebrate Zoology
<br/><br/><label>Dewey Class. No.: </label>595.7 INS