Lopker, John. <br/><br/>
Pictures of personality :  guide to the four human natures / 
designed and written by John Lopker. 
 - 1st ed. 
 - Los Angeles, CA :  Typology,  2000. 
 - 200 p. :  ill. (some col.) ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0970581009  
<br/><br/><label>LCCN: </label>00109974  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Typology (Psychology)
<br/><br/><label>LC Class. No.: </label>BF698.3  / .L88 2000 
<br/><br/><label>Dewey Class. No.: </label>155.2/6