Transaction of the fourth conference March 6-7, 1950 New York <br/><br/>
Problems of infancy and childhood  edited by Milton J.E. Senn. 

 - New York  Josion Macy Jr. Foundation  1951 
 - 181p. 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child care Children - diseases.
<br/><br/><label>Dewey Class. No.: </label>618.92  / C54P