Bentley, K.W.  <br/><br/>
The natural pigments  (Book) 

 - New York  Interscience Publishers  1960 
 - 306p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pigments
<br/><br/><label>Universal Decimal Class. No.: </label>547.97 BEN  / 6811