Kerr, Paul  Francis,  1897- <br/><br/>
Optical mineralogy /  Paul  F. Kerr. 

 - 3d ed. 
 - New York :  McGraw-Hill,  1959. 
 - 442 p. :  ill. ;  24 cm. 
<br/><br/> "Previous editions by Austin F. Rogers and Paul F. Kerr." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Meneralogy, Determinative.
<br/><br/><label>Dewey Class. No.: </label>549.12 KER