John Sinkankas <br/><br/>
Van Nostrand's standard catalog of gems 

 - Van Nostrand Reinhold, New York  c1968 
 - 286p 
<br/><br/><label>ISBN: </label>0-442-07618-5 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Polytechnic - Jewellery
<br/><br/><label>Dewey Class. No.: </label>736.2028016 Sin