Butcher, Harold John <br/><br/>
Human intelligence :  its nature and assessment / 
by H. J. Butcher. 
 - London :  Methuen,  1970 
 - 343 p. :  ill. ;  21 cm. 
<br/><br/> 'Distributed in the U.S.A. by Barnes and Noble.' 
<br/><br/>Bibliography: p. 292-332. 
<br/><br/><label>ISBN: </label>0416184200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect.<br/>Intelligence tests.