Childcraft :  In 15 Vol. Vol. 7, Exploring the world around us 

 - Chicago, ILL. :  Field Enterprises Educational Corp. ,  1954. 
 - 244 p.  Photos 
<br/><br/><label>ISBN: </label> 2000.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia