Colvin, Ralph W. and Zaffiro, Esther M. <br/><br/>
Preschool education  A handbook for the training of early childhood educators 

 - Springer publishing house, New York  1974 
 - xviii, 362 
<br/><br/><label>ISBN: </label>0-8261-1620-5 
<br/><br/><label>Dewey Class. No.: </label>372.21 Col/Zaf