Vanstone,Ernest <br/><br/>
Fertilisers and manures  their manufacturing composition and users 

 - London  Macmillan and co LTD  1947 
<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/>English Literature
<br/><br/><label>Dewey Class. No.: </label>Ag382