Percival John <br/><br/>
The Wheat Plant  
John Percival  
 - London   Duckworth  1921 
 - pages 460 
<br/><br/> Ag mean  Agriculture Page 512-519 in A-Z Register (Acc. No. Ag1-Ag229) & Page 564-572 (Acc. No. Ag230-Ag469) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>Ag114