A Sourcebook for Elementary Science / 
by Elizabeth B.Hone 
 - New York :  Harcourt ,  1962 
 - vii, 552 p. :  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elemantary Education
<br/><br/><label>Universal Decimal Class. No.: </label>372.35