Lehane, Stephen. <br/><br/>
Help your baby learn :  100 piaget-based activities for the first two years of life / 
Stephen Lehane. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1976. 
 - 205 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0133863263 
<br/><br/><label>LCCN: </label>76-5830 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Infant psychology.<br/>Cognition (Child psychology).<br/>Perceptual--Motor learning.