Watson, Ernest W. <br/><br/>
The art of pencil drawing 
/ Ernest W. Watson 
 - 5a ed 
 - New York  : Watson-Guptill Publications  , 1977  , c1968. 
 - 158 p.  : il. 
<br/><br/><label>ISBN: </label>0-8230-0275-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drawing--- Techniques
<br/><br/><label>Dewey Class. No.: </label>741.2 WAT