W.R. Williams <br/><br/>
Principles of agriculture 

 - London  Hutchinson Scientific & Technical Publications  1949 
 - 156p 
<br/><br/>W.R. Williams: Principles of agriculture.  London.  Hutchinson Scientific & Technical Publications, 1949.--(630WIL)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / WIL