Harlan, J.R.  <br/><br/>
Crops & man  (Book) 

 - Madison, Wis.  American Society of Agronomy  1975 
 - 295 p.  24 cm. 
<br/><br/><label>ISBN: </label>089118032X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--History. Crops--History
<br/><br/><label>Universal Decimal Class. No.: </label>575.1 HAR  / 15370