Spearman, C. (Charles Edward) <br/><br/>
The nature of intelligence and the principles of cognition 
by C. Spearman. 
 - 2nd ed. 
 - London  MacMillan  1927. 
 - 364p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intellect<br/>Cognition