Winchell, N. H.  1839-1914. <br/><br/>
Elements of optical mineralogy;  an introduction to microscopic petrography, 
by N.H. Winchell and A.N. Winchell; entirely rewritten and much enlarged by Alexander N. Winchell ... 
 - 2d ed. ... 
 - New York,  John Wiley & sons, inc.; [etc., etc.]  1922-29. 
 - 3 v.  illus., tables, diagrs.  23 cm. 
<br/><br/>pt. I. Principles and methods.--pt. II. Descriptions of minerals.--pt. III. Determinative tables. 
<br/><br/><label>LCCN: </label>22020527  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical mineralogy.<br/>Mineralogia óptica
<br/><br/><label>LC Class. No.: </label>QE367  / .W75 1922 
<br/><br/><label>Dewey Class. No.: </label>549.1 
<br/><br/><label>Número de Chamada: </label>549.1  / W776e