Smith. G F Herbert <br/><br/>
Gemstones / 
Smith. G F Herbert 
 - 13 ed. 
 -  Methuen & Company, London,  1962 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gems; Economic geology
<br/><br/><label>Dewey Class. No.: </label>553.8 SMI-G13