Howard, V. A. <br/><br/>
Thinking on Paper / 
V. A. Howard, J. H. Barton 
 - New York :  Quill,  1986       
 - 156 p. 
<br/><br/><label>ISBN: </label>0688077587 
<br/><br/><label>LC Class. No.: </label>PE 1408 H848t 1986