Cox, Joseph Frank. <br/><br/>
Field crops and land use 

 - New York :  Wiley,  1942 
 - 473 p.  : ilus. 
<br/><br/><label>LCCN: </label>31415 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--E.U.A.<br/>Cultivos.
<br/><br/><label>Dewey Class. No.: </label>633  / C69f