Hudson, Liam, ed. <br/><br/>
The Ecology of human intelligence 

 - Middlesex  Penguin books ltd.  1970 
 - 368p.; 18cm. 
 - Penguin modern sociology readings .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Human environment<br/>Human geography<br/>Human intelligence