Hess, Stanley. <br/><br/>
The modification of letterforms / 
Stanley Hess. 
 - 2nd ed. 
 - New York :  Art Direction Book Company,  1981. 
 - 149 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0091058789 0091058797 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lettering.