Pryor, William Clayton.  <br/><br/>
Let's look at advertising / 
William Clayton Pryor and Helen Sloman Pryor. 
 - New York :  Harcourt,   c 1940. 
 - xii, 249 p. :  ill. ;  21 cm. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advertising.
<br/><br/><label>Dewey Class. No.: </label>659.1 / P956l