Hulugalle, J. A. H. <br/><br/>
Gem stones of Ceylon 
H. A. J. Hulugalle 
 - Ceylon  The Department of information 
 - 4P 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>553.5  / HUL