Kraus, Edward H.  1875-1973 <br/><br/>
Gems And Gem Materials / 
by Edward Henry Kraus, Chester Baker Slawson 
 - 5th.ed. 
 - New York :  McGraw-Hill Book Co.,  1947 
 - ix, 332 pages .:  some colour, illustrations .;  23 cm 
<br/><br/>Includes "Selected bibliography"( p.: 317-319 ), and indexs (p.: 325 - 332). 
<br/><br/><label>ISBN: </label>070353611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones
<br/><br/><label>Dewey Class. No.: </label>549  / KRA 1947