The art and craft of drawing/ 
Blake, Verdon 
 - New York:  Oxford University Press,  1971. 
 - x, 414p.: 
<br/><br/><label>ISBN: </label>0878170391 
<br/><br/><label>LC Class. No.: </label>75116351 
<br/><br/><label>Dewey Class. No.: </label>M 741 B581 1971