Escalona, Sibylle K.  1915- <br/><br/>
The roots of individuality :  normal patterns of development in infancy / 
by Sibylle K. Escalona 
 - London  :  Tavistock Publications,  1968 
 - ix, 547 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 527-541. 
<br/><br/><label>ISBN: </label>0422731307 
<br/><br/><label>LCCN: </label>67-027392 //r87 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Infant psychology