Butcher, Harold John. <br/><br/>
Human intelligence :  its nature and assessment / 
H. J. Butcher. 
 - London :  Methuen,  1968. 
 - 343 p. :  ill. 
 - Methuen's manuals of modern psychology. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect.<br/>Intelligence tests.