The ecology of human intelligence / 
selected readings edited by Liam Hudson. 
 - Harmondsworth :  Penguin Books Ltd.,  1970. 
 - 368 pages :  illustrations. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>140801790 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect--Social aspects.<br/>Human beings--Effect of environment on.
<br/><br/><label>LC Class. No.: </label>BF 431  / ECO 1970.