McClelland, David C. <br/><br/>
The roots of consciousness / 
David C. McClelland 
 - Princeton, N.J. :  D. Van Nostrand,  c1964 
 - iv, 219 p. :  ill. ;  18 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 1.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>159.4