Race, culture and intelligence / 
edited by Ken Richardson and David Spears. 
 - Harmondsworth :  Penguin Books,  1972. 
 - 205 p. :  ill. 
<br/><br/><label>ISBN: </label>0140806504 
<br/><br/><label>LCCN: </label>93034064     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect.<br/>Nature and nurture.<br/>Ethnopsychology.