Spencer, Herbert,  1924-2002. <br/><br/>
The visible word. 

 - [2d ed., rev.] 
 - New York,  Hastings House  [1969] 
 - 107 p.  illus.  31 cm. 
 - Visual communication books .
<br/><br/>Bibliography: p. 85-107. 
<br/><br/><label>ISBN: </label>0803877331 9780803877337 
<br/><br/><label>LCCN: </label>73005358  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legibility (Printing)<br/>Typography
<br/><br/><label>LC Class. No.: </label>Z250.A4  / S5 1969b 
<br/><br/><label>Dewey Class. No.: </label>686.22 SPE