Craighead, F. C. <br/><br/>
Insect ennemies of eastern forests 

 - Washington :  Government Printing Office,  1950 
 - 679 p.  : ilus. 
 - U.S.D.A. Miscellaneous publication  ; 657 .
 - U.S.D.A. Miscellaneous publication  ; 657 .
<br/><br/><label>LCCN: </label>31465 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Árboles--Plagas.<br/>Entomología económica.
<br/><br/><label>Dewey Class. No.: </label>634.967  / C73