Cox, Joshep F. <br/><br/>
Field crops and land use / 
by Joshep F. Cox and Lyman Jackson 
 - New York :  John Wiley ,  1949 
 - xiv, 473 p. :  ill. maps ;  23 cm. 
 - The Willy Farm Series .
<br/><br/><label>ISBN: </label>USD 3.75