Modley, Rudolf <br/><br/>
Pictographs and graphs: how to make them and use them 
by Rudolf Modley and Dyno Lowenstein 
 - New York  Harper  1952 
 - 186p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics --Graphic methods
<br/><br/><label>Dewey Class. No.: </label>I5512 M721