Beaumont A ` <br/><br/>
Diseases of farm crops 
Beaumont A ` 
 - London  W H and L Collingridge       1959 
 - 128p.  cm. 
<br/><br/><label>Standard No.: </label>51971 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant disease<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:4, J9