Valentine, C.W. <br/><br/>
The psychology of early childhood: a study of mental development in the first year of life  

 - 4th 
 - Essex Street , Strand   Methuen & Co. ltd  1950 
 - 522 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Early childhood
<br/><br/><label>Dewey Class. No.: </label>150  / V234p 1950