Maier, Henry W. <br/><br/>
Three theories of child development 
/ Henry W. Maier, ... ; the contibutions of Eric H. Erikson, Jean Piaget and Robert R.Sears and their applications ; under the editorship of Werner W. Boehm ; foreword by Dale B. Harris 
. - Tokyo  : John Weatherhill, c1965
. - XVI-314 p.  : ill.  ; 22 cm. 
<br/><br/>Bibliogr., index 
<br/><br/><label>Source: </label> Don UCL 
<br/><br/><label>Universal Decimal Class. No.: </label>159.922.7