Walter Schumann <br/><br/>
Gemstones of the world 

 - Sterling, New York  c1976 
 - 256p 
<br/><br/><label>ISBN: </label>0-8069-3088-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Polytechnic - Jewellery
<br/><br/><label>Dewey Class. No.: </label>736.2 Sch