Wilson, Harold K.  <br/><br/>
Grain crops /  
Harold K. Wilson. 
 - 1st ed. 
 - New York :   McGraw-Hill,   c 1948. 
 - xi, 384 p. :   ill. ;   24 cm. 
 - McGraw-Hill publications in the agricultural sciences. .
<br/><br/> Includes index. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grain--United States.
<br/><br/><label>Dewey Class. No.: </label>633 / W691g