Cook, O. F.  1867-1949. <br/><br/>
Relation of drought to weevil resistance in cotton. 
By O.F. Cook ... 
 - Washington,  Govt. Print. Off.,  1911. 
 - 30 p.  23 cm. 
 - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin  no. 220 .
 - Bulletin (United States. Bureau of Plant Industry) ;  no. 220. .
<br/><br/><label>LCCN: </label>agr11001500  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boll weevil.<br/>Droughts.
<br/><br/><label>LC Class. No.: </label>QK1  / .U45 no. 220 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / P69B no.220