Mathematics in the early years / 
edited by Juanita V. Copley. 
 - Reston, Va. :  Washington, D.C. :  National Council of Teachers of Mathematics ;  National Association for the Education of Young Children,  c1952. 
 - x, 230 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0873534697 
<br/><br/><label>LCCN: </label>99034458 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Early childhood)
<br/><br/><label>LC Class. No.: </label>QA135.5  / .M36933 1952 
<br/><br/><label>Dewey Class. No.: </label>372.7