Pirsson, Louis V.  1860-1919. <br/><br/>
Rocks and rock minerals / 
Louis V. Pirsson. 
 - 3d ed., rev. 
 - New York :  J. Wiley,  1955 ,c1957 
 - vii, 349 p. :  illus. ;  22 cm. 
<br/><br/>Includes Index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology.
<br/><br/><label>Dewey Class. No.: </label>552  / PIR 1957