Thomson, Godfrey. <br/><br/>
The factorial analysis of human ability / 
by Godfrey Thomson. 
 - 4th ed. 
 - London :  University of London Press,  1950. 
 - xvi, 394 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 383-390) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence tests.
<br/><br/><label>Dewey Class. No.: </label>370.152